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 are magnetic substances classified? How does iron compare to nickel?
 sentence 2: How are magnetic substances classified? How does cobalt compare to iron? sentence 1: How much of reality talent competitions is actually real?
 sentence 2: How real are reality shows? sentence 1: How do I make a billion dollars from a million dollars?
 sentence 2: What is the best way to make a million dollars?
same meaning
not same meaning
not same meaning
not same meaning