sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: Who will win the 2016 presidential elections?
 sentence 2: Who is going to win the presidential election? sentence 1: Where can I learn data warehousing?
 sentence 2: What is the best way to learn data warehousing? sentence 1: Why does Britain prefer tea to coffee?
 sentence 2: What's more preferable when you are depressed, tea or coffee? sentence 1: Are most astrologers cheats?
 sentence 2: Are all astrologers fake? sentence 1: What is the difference between horticulture and agriculture?
 sentence 2: Does Horticulture have better prospects than Agriculture?
not same meaning
same meaning
not same meaning
not same meaning
same meaning
not same meaning