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 do we call video with words on it?
 sentence 2: What are words from a video called? sentence 1: What is the best plywood for subflooring?
 sentence 2: Why is plywood used as subflooring? sentence 1: Who is the most important person you follow on Quora?
 sentence 2: Who should I follow on Quora? Why?
same meaning
not same meaning
not same meaning
not same meaning