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 post a question in quora?
 sentence 2: How do I post something in Quora? sentence 1: What is the best way to learn data science for a beginner?
 sentence 2: How can I become a data scientist? sentence 1: Is Hillary Clinton a lesbian or bisexual or heterosexual?
 sentence 2: Is Hillary Clinton really a lesbian?
not same meaning
same meaning
not same meaning
same meaning