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 would you spend the last 24 hours in your life?
 sentence 2: What will you do during the last 24 hours of your life? sentence 1: Why are Samsung phones setting on fire?
 sentence 2: What are the technical reasons behind Samsung phones catching fire? sentence 1: Who is Tipu Sultan?
 sentence 2: How did Tipu Sultan die?
same meaning
same meaning
same meaning
not same meaning