sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How long does a woman's orgasm usually last?
 sentence 2: What is the best way to get an orgasm? sentence 1: What if India and China settle their disputes and join hands?
 sentence 2: Should India join hands with China? sentence 1: What are the aspects of culture?
 sentence 2: What are the six aspects of culture?
not same meaning
not same meaning
same meaning
same meaning