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 does an ethernet cable do?
 sentence 2: What are Ethernet cables? What are its functions? sentence 1: Do concealed carry laws reduce crime? Why or why not?
 sentence 2: What are currently existing concealed carry laws?
same meaning
same meaning
not same meaning