sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Did Bernie Sanders drop out as of August 15?
 sentence 2: Did Bernie Sanders drop out? sentence 1: How does Special K make you lose weight?
 sentence 2: Does eating Kellogg womens K in breakfast help you lose weight? sentence 1: Why does Digits (part of Twitter's Fabric SDK) not permit web-based account creation?
 sentence 2: What is Fabric by Twitter?
not same meaning
same meaning
same meaning
not same meaning