sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Why should anyone buy an iphone?
 sentence 2: Why should I buy iPhone? sentence 1: Are we currently revolving around a giant black hole in the Milky Way galaxy?
 sentence 2: Is there really a black hole at the center of our Milky Way galaxy? What are the evidences? sentence 1: Why is Manaphy now seen as whiny in Pokemon?
 sentence 2: Why do people now see Manaphy as whiny? sentence 1: What is a good CNC machine for use at home?
 sentence 2: Is there an affordable CNC for personal use? sentence 1: How can I fight against laziness?
 sentence 2: What are good ways to fight against laziness? sentence 1: What's the difference between positive displacement compressors and negative displacement compressors?
 sentence 2: How does a positive displacement-type pump work? sentence 1: What should be our strategy to get 180+ in both Paper-I and Paper-II in SSC-CGL tier 2?
 sentence 2: How do I score 350+ marks in SSC CGL 2016 (Tier 2) examination? sentence 1: What is the probability of NEET 1 students taking NEET 2 exam again?
 sentence 2: 3 students take an exam and chances of passing are 1/2,1/3 and 1/4 respectively. what is the probability that atleast two of them passes? sentence 1: Make money to genarate residual income?
 sentence 2: How do I hack or spy on someone's WhatsApp conversation? sentence 1: What is the difference between can't and cannot?
 sentence 2: What's the difference between Can and Could? sentence 1: If there is prove of aliens existence with governments around the world, why would they hide it? What is the reason behind not revealing the truth?
 sentence 2: Why are governments going to such length to hide aliens and UFOs? sentence 1: What does sp3 hybridization achieve?
 sentence 2: What is sp3 hybridization? sentence 1: Why is air a poor conductor of heat?
 sentence 2: Why is air a bad conductor of heat? sentence 1: How does an autotroph differ from a heterotroph?
 sentence 2: What is an autotroph and a heterotroph? sentence 1: What is hydro turbine?
 sentence 2: Do we need to have stricter laws on landlords considering the rise of renting in the UK? sentence 1: Did Native American tribes invade and conquer other tribes?
 sentence 2: How do you join a Native American tribe? sentence 1: How do the petrol pumps get petrol to it?
 sentence 2: How do petrol pumps earn? sentence 1: Why is Quora only available in English?
 sentence 2: Will Quora build a Spanish platform in the short/middle term?
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