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: If I ask a question and then unfollow it, will I still get credits when other people follow the question?
 sentence 2: If I ask a question anonymously, do I get credits when people follow it? sentence 1: How do I lose weight doing less exercise?
 sentence 2: How do I lose weight without doing exercise? sentence 1: Is time travel possible? If yes how
 sentence 2: Could time travel be possible?
same meaning
not same meaning
not same meaning
same meaning