sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Do Singaporeans know that there are Ang Mohs who are illiterate?
 sentence 2: What's std call? sentence 1: In the electrolysis of an NaCl solution, what concentration would form an intermediate solution which allows both O2 and Cl2 to form on the anode?
 sentence 2: Why is O2 enough to form a mole of oxygen? sentence 1: What is the secret behind Bermuda triangle?
 sentence 2: What is the truth behind the Bermuda Triangle? sentence 1: How could I improve my English pronunciation?
 sentence 2: How can I improve my spoken English ability? sentence 1: Which is better, mechanical engineering or mechatronics?
 sentence 2: Are mechatronics and mechanical engineering the same? sentence 1: What will be the impact of banning Rs. 500 and Rs. 1000 on the Indian economy?
 sentence 2: What will be the effects of demonetisation of 500 and 1000 notes on the Indian economy? sentence 1: What are the best books for organic chemistry?
 sentence 2: What is the best book in organic chemistry? sentence 1: Who is the President of India?
 sentence 2: How is the president of India elected? sentence 1: What are some other sites like Quora?
 sentence 2: Are there other websites like Quora? sentence 1: Can you give me some advice on losing weight?
 sentence 2: What's the best, most effective tips for losing weight? sentence 1: If Buddhism is againts future prediction, why they predict the unborn Maitreya will come?
 sentence 2: If history predicts the future, do historians think there will be a WW3?
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