sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Which is biggest city in india?
 sentence 2: What's the world's largest city? sentence 1: What are positive and negative effects of demonetization?
 sentence 2: What are the demonetization negative and positive effects? sentence 1: Should psychiatrists be trusted?
 sentence 2: How can I trust a psychiatrist? sentence 1: How do I check the price for HP Elitebook 8440P?
 sentence 2: Is it possible to modify a HP EliteBook 8440p with better software so that it works better?
not same meaning
not same meaning
same meaning
not same meaning
not same meaning