sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Is man landing on the moon true?
 sentence 2: Is it true that the moon landing never happened? sentence 1: How does one become a witch?
 sentence 2: What is the fastest way to become a witch? sentence 1: Is it true that Rolex donates their 90% of profits to orphans?
 sentence 2: Do you wear a fake gold Rolex?
not same meaning
same meaning
same meaning
not same meaning