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 are the facilities provided to a deputy collector?
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 sentence 2: Is there a non-circular introduction to Mathematics? sentence 1: In Star Wars Episode IV, why doesn't Obi-Wan recognize that R2-D2 is the same Droid Anakin had for all those years?
 sentence 2: Why does Obi-Wan not remember R2-D2 in Star Wars Episode IV: A New Hope?
same meaning
not same meaning
not same meaning
same meaning