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 is the difference between respiration and cellular respiration?
 sentence 2: What is the difference between respiration and photosynthesis? sentence 1: Which are the best cities in Brazil to live in and why?
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same meaning
same meaning
not same meaning