public static void main ( String args [ ] ) {
  Scanner sc = new Scanner ( System . in ) ;
  n = sc . nextInt ( ) ;
  d = sc . nextInt ( ) ;
  k = sc . nextInt ( ) ;
  l = new int [ d ] ;
  r = new int [ d ] ;
  s = new int [ k ] ;
  t = new int [ k ] ;
  int [ ] ans = new int [ k ] ;
  for ( int i = 0 ;
  i < d ;
  i ++ ) {
    l [ i ] = sc . nextInt ( ) ;
    r [ i ] = sc . nextInt ( ) ;
  }
  for ( int i = 0 ;
  i < k ;
  i ++ ) {
    s [ i ] = sc . nextInt ( ) ;
    t [ i ] = sc . nextInt ( ) ;
  }
  for ( int i = 0 ;
  i < d ;
  i ++ ) {
    for ( int j = 0 ;
    j < k ;
    j ++ ) {
      if ( l [ i ] <= s [ j ] && s [ j ] <= r [ i ] && s [ j ] != t [ j ] ) {
        if ( t [ j ] < s [ j ] && t [ j ] < l [ i ] ) {
          s [ j ] = l [ i ] ;
        }
        else if ( ( t [ j ] < s [ j ] && l [ i ] <= t [ j ] ) || ( s [ j ] < t [ j ] && t [ j ] <= r [ i ] ) ) {
          s [ j ] = t [ j ] ;
          ans [ j ] = i + 1 ;
        }
        else if ( s [ j ] < t [ j ] && r [ i ] < t [ j ] ) {
          s [ j ] = r [ i ] ;
        }
      }
    }
  }
  for ( int i = 0 ;
  i < k ;
  i ++ ) {
    System . out . println ( ans [ i ] ) ;
  }
}

public static void main ( String args [ ] ) { Scanner sc = new Scanner ( System . in ) ; n = sc . nextInt ( ) ; d = sc . nextInt ( ) ; k = sc . nextInt ( ) ; l = new int [ d ] ; r = new int [ d ] ; s = new int [ k ] ; t = new int [ k ] ; int [ ] ans = new int [ k ] ; for ( int i = 0 ; i < d ; i ++ ) { l [ i ] = sc . nextInt ( ) ; r [ i ] = sc . nextInt ( ) ; } for ( int i = 0 ; i < k ; i ++ ) { s [ i ] = sc . nextInt ( ) ; t [ i ] = sc . nextInt ( ) ; } for ( int i = 0 ; i < d ; i ++ ) { for ( int j = 0 ; j < k ; j ++ ) { if ( l [ i ] <= s [ j ] && s [ j ] <= r [ i ] && s [ j ] != t [ j ] ) { if ( t [ j ] < s [ j ] && t [ j ] < l [ i ] ) { s [ j ] = l [ i ] ; } else if ( ( t [ j ] < s [ j ] && l [ i ] <= t [ j ] ) || ( s [ j ] < t [ j ] && t [ j ] <= r [ i ] ) ) { s [ j ] = t [ j ] ; ans [ j ] = i + 1 ; } else if ( s [ j ] < t [ j ] && r [ i ] < t [ j ] ) { s [ j ] = r [ i ] ; } } } } for ( int i = 0 ; i < k ; i ++ ) { System . out . println ( ans [ i ] ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) right: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))) right: (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier))))) consequence: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (identifier)))))))))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)))))))))