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How the can you ask someone you didn't meet before "Who are you?"? Possible answers to your question can be: a.) I'm your friend's friend. b.) I'm your brother. c.) I'm your neighbor. d.) I'm a salesman in the shop you purchase in. OR ANY OTHER PERSON WHO HAS A CONNECTION TO YOU. I, on the other hand don't have any connection\relationship with you, there for this question is irrelevant. If you want to know other information like: Why are you placing you messages here? Where are you from? How old are you? What is the color of you shirt or any other question I can give an answer to, please do so. I'm trying not to lose my temper here, but you are making it a hard time for me. Please give me a hand here. Thanks.