sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: How do I know if a girl is in love with me?
 sentence 2: How do we know if the boy is really in love with a girl? sentence 1: How do I go about finding distributors for my new Bollywood film and how much will I be spending on the same?
 sentence 2: Anyone attending Development III Microsoft DAX 2012 training in ETC-Enterprise Training Center, Vienna, Austria in September? I'm there, will you be? sentence 1: What was greek fire?
 sentence 2: How did Greek Fire work? sentence 1: Do girls prefer huge long penis?
 sentence 2: Do women prefer longer penis? sentence 1: What are the most common causes of printer cartridge problems?
 sentence 2: Is it ok to refill a toner cartridge of an HP printer?
not same meaning
not same meaning
not same meaning
not same meaning
same meaning
not same meaning