sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How do I get a permanent residence in the US?
 sentence 2: How do I get permanent residency in USA, California? sentence 1: What are some gadgets that have change the camping world?
 sentence 2: What are some mind-blowing Camping gadgets that most people don't know about? sentence 1: Would a black hole be the exit of this universe?
 sentence 2: Would be the black hole another universe similar to ours?
not same meaning
same meaning
same meaning
same meaning