TASK DEFINITION: Here are two questions (Question1 and Question2). If these questions have the same meaning and same answer, answer "Yes", otherwise "No".
PROBLEM: Question1: Is it all right for a person to admire good leaders and citizens who have contribute to the country progress?, Question2: Is it all right for a person to admire the good leaders and citizens who have contributed to the country progress?

SOLUTION: Yes

PROBLEM: Question1: Which US credit card charges no foreign transaction fees?, Question2: Do I need to pay any monthly charges to credit card if I don't make any transactions?

SOLUTION: No

PROBLEM: Question1: Do you think there are more stars than grains of sand in the world?, Question2: Are there more stars than grains of sand?

SOLUTION:
No