sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Should robots pay taxes?
 sentence 2: Should robots pay tax? sentence 1: What are the best and worst things about living in Taiwan?
 sentence 2: What are the best travel places in Taiwan? sentence 1: What happens to a question on Quora if it is marked as needing further improvement?
 sentence 2: What should I do if my question is being marked instantly as needing improvement but I don't know why?
not same meaning
same meaning
not same meaning
same meaning