sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Daniel Ek: When will Spotify be available for Indian customers?
 sentence 2: Is Spotify not available in India? sentence 1: What are the top 10 websites you visit everyday and why?
 sentence 2: What websites do you view everyday without fail?
not same meaning
same meaning
same meaning