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: Are there any future plans of releasing Spotify in India?
 sentence 2: Why doesn't Spotify work in India? sentence 1: What things do Ivy League universities have in common? Are they really that much better than public funded accredited universities?
 sentence 2: What does make "Ivy League" universities better than other universities? sentence 1: How is Hydrogen converted into electricity?
 sentence 2: What is the image of hydrogen electricity density in the real world?
not same meaning
same meaning
same meaning
not same meaning