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 long would it take me to get a 6 pack and what would it take?
 sentence 2: How long does it take to get a 6 pack? sentence 1: What is the difference between blood group O neg and O rh neg?
 sentence 2: What is the difference between O- and O+?
same meaning
same meaning
same meaning