sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What is the least gay way for a straight man to get an eyebrow wax?
 sentence 2: How do you get straight eyebrows? sentence 1: What about soul?
 sentence 2: What exactly is a "soul"?
not same meaning
not same meaning
not same meaning