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: Why doesn't anyone here answer my questions?
 sentence 2: Why is no one giving me an answer to my questions? sentence 1: What advice would you give to your 25 year old self?
 sentence 2: What advice would you give your 16 year old self? sentence 1: Can we create artificial gravity?
 sentence 2: What are some methods of generating artificial gravity?
same meaning
same meaning
not same meaning
same meaning