answer: #Person1# prepares coffee for #Person1#'s mother and recommends juice to his mother's friend who is coming later.
documents: #Person1#: Would you like something to drink, Mum?
  #Person2#: Yes, give me some coffee, please. No milk, no sugar.
  #Person1#: Certainly.
  #Person2#: My friend is coming in a minute, and he loves sweet juice. What kind of juice do you recommend?
  #Person1#: We have apple juice and strawberry juice. They're both sweet. But recommend strawberry juice. It's upon ordinary. And the apple juice was made yesterday, and stored in the refrigerator.