sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Is "Planck's constant" constant?
 sentence 2: What is Planck's constant? sentence 1: Why is Aamir Khan crying so much?
 sentence 2: Why does Aamir Khan cry in movie screenings, Satyamev Jayate etc? sentence 1: What happened to Pablo Escobar's money after he died?
 sentence 2: What would’ve happend if Pablo Escobar had invested all his money in his country?
not same meaning
not same meaning
same meaning
not same meaning