sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What GATE rank is required for taking a PhD from IISc in ECE?
 sentence 2: How high a GATE ranking is required for doing a PhD from IISc with ECE? sentence 1: Is it possible to book a hotel room for a few hours rather than a full night?
 sentence 2: When you book a hotel room online, do they reserve a specific room at that time? sentence 1: Which country does not have a national anthem?
 sentence 2: Has a national anthem ever been replaced?
not same meaning
same meaning
not same meaning
not same meaning