answer: #Person2# tells #Person1# that the mangoes are on sale and introduces their appearance, price, taste and place of production.
documents: #Person1#: Can you tell me about some good deals on produce?
  #Person2#: The mangoes are on sale today.
  #Person1#: What exactly are mangoes?
  #Person2#: They have yellowish red skin. It's a fruit with one big seed.
  #Person1#: Is the seed edible?
  #Person2#: Maybe if you were a parrot. I wouldn't recommend it.
  #Person1#: How much does a mango cost?
  #Person2#: Normally, they're $ 2 each. Today, they're only $ 1 each.
  #Person1#: Maybe I won't like the taste.
  #Person2#: It's hard to describe. They're sweet, but also sort of citrusy.
  #Person1#: How do I tell the difference between a ripe one and an unripe one?
  #Person2#: They're similar to an avocado. When the outside feels soft, they're ripe.
  #Person1#: Where do most of them come from?
  #Person2#: These are from Mexico.