sentence 1: How do I build my profile for top B-schools?
 sentence 2: How do I build my profile for Harvard, Wharton, INSEAD etc.? sentence 1: What is relative motion?
 sentence 2: What is relative motion? And relativity? sentence 1: What is the most common zodiac sign?
 sentence 2: What according to you is the most interesting sign of zodiac and why? sentence 1: Why do many Quora users ask questions they could look up online?
 sentence 2: Why do people ask stupid questions on Quora that could be easily answered by Google?
same meaning
same meaning
not same meaning
same meaning