answer: #Person1# and #Person2# talk about the fruit that goes with sandwiches. #Person2# likes green apples while #Person1# likes red apples.
documents: #Person1#: Are you going to eat anything with your sandwich?
  #Person2#: I may get some fruit.
  #Person1#: Oh really, what kind of fruit do you like?
  #Person2#: I tend to only eat grapes and apples.
  #Person1#: What kind of apples do you prefer?
  #Person2#: I've always liked green apples.
  #Person1#: I don't really like green apples that much.
  #Person2#: Why do you say that?
  #Person1#: I think they are too sour.
  #Person2#: You'd rather eat a red apple?
  #Person1#: Don't you like red apples?
  #Person2#: They're okay, I guess.