public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int t , n , m ;
  t = in . nextInt ( ) ;
  while ( t -- != 0 ) {
    int a [ ] [ ] = new int [ 2 ] [ 2 ] , u = 0 ;
    n = in . nextInt ( ) ;
    m = in . nextInt ( ) ;
    for ( int k = 0 ;
    k < n ;
    k ++ ) {
      for ( int i = 0 ;
      i < 2 ;
      i ++ ) for ( int j = 0 ;
      j < 2 ;
      j ++ ) a [ i ] [ j ] = in . nextInt ( ) ;
      if ( a [ 0 ] [ 1 ] == a [ 1 ] [ 0 ] ) u = 1 ;
    }
    if ( u == 1 && m % 2 == 0 ) System . out . println ( "YES" ) ;
    else System . out . println ( "NO" ) ;
  }
  in . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int t , n , m ; t = in . nextInt ( ) ; while ( t -- != 0 ) { int a [ ] [ ] = new int [ 2 ] [ 2 ] , u = 0 ; n = in . nextInt ( ) ; m = in . nextInt ( ) ; for ( int k = 0 ; k < n ; k ++ ) { for ( int i = 0 ; i < 2 ; i ++ ) for ( int j = 0 ; j < 2 ; j ++ ) a [ i ] [ j ] = in . nextInt ( ) ; if ( a [ 0 ] [ 1 ] == a [ 1 ] [ 0 ] ) u = 1 ; } if ( u == 1 && m % 2 == 0 ) System . out . println ( " YES " ) ; else System . out . println ( " NO " ) ; } in . close ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) 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)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (decimal_integer_literal)) dimensions: (dimensions_expr (decimal_integer_literal)))) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (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)))) (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: (decimal_integer_literal)) update: (update_expression (identifier)) body: (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)) right: (array_access array: (array_access array: (identifier) index: (decimal_integer_literal)) index: (decimal_integer_literal)))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))