sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Is it likely that a white girl will fall for an Asian guy?
 sentence 2: How can an Asian guy get a white girl? sentence 1: What is progressive and regressive taxes?
 sentence 2: Why is a flat tax regressive? Isn't it "flat," therefore equal?
not same meaning
same meaning
not same meaning