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 should I start earning at 16?
 sentence 2: How can I start earning at 17? sentence 1: Is there any cure for Alopecia Areata?
 sentence 2: What is Alopecia Areata disease?
same meaning
not same meaning
not same meaning