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 does a political risk analyst do?
 sentence 2: How does one become a political risk analyst? sentence 1: What is wrong with my computer?
 sentence 2: What is wrong with my computer!? sentence 1: What are the best fan theories you ever heard?
 sentence 2: What is the most interesting word you have ever heard?
same meaning
not same meaning
same meaning
not same meaning