sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How can I learn machine learning well?
 sentence 2: What is the usual way to start learning Machine learning? sentence 1: Do snakes make good pets? Why or why not?
 sentence 2: Why do some people think a poisonous snake can make good pets?
not same meaning
same meaning
not same meaning