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: How many zeros are in 1 million?
 sentence 2: Why are Eulers number and Pi close to zero and 1? sentence 1: Can we consider a black hole as a perfect black body?
 sentence 2: Can't black holes be considered perfect black bodies? sentence 1: How to remove braces from teeth?
 sentence 2: How do you remove braces?
same meaning
not same meaning
not same meaning
same meaning