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's a smart TV?
 sentence 2: How do I operate a smart TV with smart phone? sentence 1: How do I get rid of tiny black bugs in my bed?
 sentence 2: How can I get rid of black little bugs in my bed?
same meaning
not same meaning
same meaning