answer: #Person1# buys potatoes, milk, tomatoes and lemons from #Person2#.
documents: #Person1#: Is anybody here?
  #Person2#: Coming. What do you want today?
  #Person1#: Quite a lot. I need one pound of potatoes, three pints of milk, a dozen eggs and one pound of tomatoes.
  #Person2#: Our fruit is very fresh today. Do you want some?
  #Person1#: How much are the lemons?
  #Person2#: Three for ten cents.
  #Person1#: Give me a dozen lemons.
  #Person2#: Anything else?
  #Person1#: No, thanks. How much in total?
  #Person2#: Twenty eight dollars.