sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Is Frasier a better overall sitcom than Friends?
 sentence 2: Is Friends overrated? sentence 1: Can you offer me any advice on how to lose weight?
 sentence 2: How can I lose 4kg weight? sentence 1: Should I flash an official rom from CyanogenMod which is a nightly or an unofficial one which might be a stable release?
 sentence 2: CyanogenMod (product): Why is there no stable release after CM 9 for i9300?
not same meaning
not same meaning
same meaning
not same meaning