public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  int t = s . nextInt ( ) ;
  while ( t -- > 0 ) {
    int n = s . nextInt ( ) ;
    int q = s . nextInt ( ) ;
    char arr [ ] = s . next ( ) . toCharArray ( ) ;
    while ( q -- > 0 ) {
      int l = s . nextInt ( ) ;
      int r = s . nextInt ( ) ;
      if ( ! checkLeft ( l , r , arr ) && ! checkRight ( l , r , arr , n ) ) {
        System . out . println ( "NO" ) ;
        continue ;
      }
      System . out . println ( "YES" ) ;
    }
  }
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; int t = s . nextInt ( ) ; while ( t -- > 0 ) { int n = s . nextInt ( ) ; int q = s . nextInt ( ) ; char arr [ ] = s . next ( ) . toCharArray ( ) ; while ( q -- > 0 ) { int l = s . nextInt ( ) ; int r = s . nextInt ( ) ; if ( ! checkLeft ( l , r , arr ) && ! checkRight ( l , r , arr , n ) ) { System . out . println ( " NO " ) ; continue ; } System . out . println ( " YES " ) ; } } }
(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) value: (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) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) 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) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (unary_expression operand: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier)))) right: (unary_expression operand: (method_invocation name: (identifier) arguments: (argument_list (identifier) (identifier) (identifier) (identifier)))))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (continue_statement))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))))