sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What will happen in a relationship where both partners are narcissist or where they both have narcissistic tendencies?
 sentence 2: Do narcissists ever cry? sentence 1: What are the benefits of a brexit?
 sentence 2: What are some of the benefits of Brexit? sentence 1: Who will win the 2014 Super Bowl?
 sentence 2: Who do you think will win the 2013-2014 Super Bowl?
not same meaning
not same meaning
same meaning
not same meaning