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 it like working at a bookstore?
 sentence 2: What is it like to work at a bookstore? sentence 1: Why are the bottoms of actors' feet always dirty?
 sentence 2: What actors do you think are very talented but always star in bad movies?
same meaning
same meaning
not same meaning