sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What are some of the best bossa nova songs?
 sentence 2: What is the best guitar for Bossa Nova? sentence 1: Would Mark Cuban be a good candidate for US President (in 2020)?
 sentence 2: Do you think Mark Cuban should run for President in 2020? Why, or why not? sentence 1: What are the requirements to become president in the United States and how are the requirements different in China?
 sentence 2: What are the requirements to become president in the United States and how are the requirements different in Ukraine? sentence 1: What is wrong with this question here?
 sentence 2: What's wrong with this question? sentence 1: Can anyone give references for estimating pressure drop in small diameter tubes?
 sentence 2: For deepwater horizon-type disaster, can a packed bed or viscous fluid be used to increase pressure drop of oil flow in drill pipe?
not same meaning
not same meaning
same meaning
not same meaning
not same meaning
not same meaning