sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: When will Grooveshark allow Pinterest sharing?
 sentence 2: Is it legal to share Pinterest Pins on a Facebook page of my company? sentence 1: Which do you prefer, GE or a power sector PSU like NTPC?
 sentence 2: Which PSU is better to join: IOCL or NTPC?
not same meaning
not same meaning
not same meaning