sentence 1: How do I know if I'm good?
 sentence 2: How do I know what I'm good at? sentence 1: What is the best black Friday deal for this year?
 sentence 2: What are the best Black Friday deals and discount coupons? sentence 1: Is this question "You don't go to school this morning, do you? " right?
 sentence 2: My Singaporean colleagues never say "good morning" or "goodbye"/"have a good evening, see you tomorrow" to each other. My boss tells me this is normal here, so why don't (some) Singaporeans go in for basic pleasantries like that? sentence 1: Which is the best time for workout? Morning or evening?
 sentence 2: What time is good for gym workout? Morning or evening? sentence 1: Why moving iron instruments work on AC and DC supply both but moving coil instruments work only in DC supply only ? 
 sentence 2: What is difference between moving coil and moving iron ammeter? sentence 1: Are cafetaria and cafeteria both valid spellings?
 sentence 2: What is a single word for feeling both happy and sad?
not same meaning
same meaning
not same meaning
same meaning
same meaning
not same meaning