sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How do you know if you were used in a relationship?
 sentence 2: How do you know when you're being used in a relationship? sentence 1: What is the formula for calculating "full load current"?
 sentence 2: How the formula stress=load/area is derived? sentence 1: Why do people ask question anonymously on Quora?
 sentence 2: Why do people ask questions on Quora? sentence 1: What is a metallic bond? How are metallic bonds formed?
 sentence 2: Does carbon bond with metals?
not same meaning
same meaning
not same meaning
not same meaning
not same meaning