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 should I do to earn money online?
 sentence 2: How can I earn money part time online? sentence 1: What is parasitism? What are some examples?
 sentence 2: What are some examples of parasitism?
same meaning
same meaning
not same meaning