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: Who invented the university?
 sentence 2: Who invented the week? sentence 1: What is a 'connection' in redis?
 sentence 2: Redis vs MySQL: Should I Consider Use Redis from Day One?
same meaning
not same meaning
not same meaning