sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Why do some men rape and murder women?
 sentence 2: Why do men rape women? Why don't women rape men? sentence 1: What are the qualities of a good human being?
 sentence 2: The human qualities resources by become a good human?
not same meaning
not same meaning
same meaning