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 imperialism in the Spanish-American War? What were its effects?
 sentence 2: What were the effects of the Spanish-American War? sentence 1: What is strait of Gibraltar?
 sentence 2: What is strait of Gibraltar? Who controls strait of Gibraltar?
same meaning
not same meaning
same meaning