sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What is black money and how can it effect the economy of a country?
 sentence 2: What are the ill effects of black money on indian economy? sentence 1: Does the freelancing website addanyproject provide fake leads?
 sentence 2: Do fish sleep?
not same meaning
same meaning
not same meaning