sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How easy is it for a visitor to buy a prepaid SIM card in UK?
 sentence 2: Where can I buy an anonymous SIM card in the UK? sentence 1: How do I fix Netflix problems on Roku?
 sentence 2: How do you fix Netflix Wii problems? sentence 1: How can I speak English more fluently?
 sentence 2: How can I learn to speak English fluently? sentence 1: Why does the Iran nuclear deal give Iran $150 billion?
 sentence 2: Did Barack Obama pay ransom to release four Americans in Iran?
not same meaning
not same meaning
not same meaning
same meaning
not same meaning