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: How useful has Khan Academy been to you?
 sentence 2: Is Khan Academy useful for engineering students? sentence 1: What are ways to commit suicide?
 sentence 2: What's the quickest and most painless way to commit suicide? sentence 1: What is the Minerva Mills case?
 sentence 2: What's the dropout rate so far at the Minerva Schools at KGI?
same meaning
same meaning
same meaning
not same meaning