sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: I have a long distance relationship with someone I met online, never in person. Is it normal that he wont call me or even send a picture?
 sentence 2: Are there any opportunities for recently passed undergrads? sentence 1: What are some of the best answers on Quora?
 sentence 2: What is a question to which the answer will be the question itself?
not same meaning
not same meaning
not same meaning