answer: #Person2# buys 12 eggs and half a kilo of green tea from #Person1# for 14 yuan.
documents: #Person1#: Good morning. Can I help you?
  #Person2#: Yes, please. I'd like some eggs.
  #Person1#: Eggs? OK. How many, please?
  #Person2#: 12, please.
  #Person1#: Here you are. Anything else?
  #Person2#: Yes, do you have any green tea here?
  #Person1#: Yes, how much do you want?
  #Person2#: Could I have half a kilo?
  #Person1#: Certainly. Here you are.
  #Person2#: How much are all these things?
  #Person1#: Let me see. 14 yuan, please.
  #Person2#: Here is the money. Thank you.