answer: #Person1# wants some fresh produce that's on sale. #Person2# recommends mangoes and tells #Person1# about it such as its taste.
documents: #Person1#: I'm looking for some fresh produce that's on sale. 
  #Person2#: Well, we just got in some mangoes. 
  #Person1#: Mangoes. What are they? 
  #Person2#: Well, it's a fruit with a big nut in it. 
  #Person1#: Can you eat the nut? 
  #Person2#: No, you peel off the skin and throw out the nut. 
  #Person1#: How much are they? 
  #Person2#: Well, the sale price is $1 each. 
  #Person1#: What does a mango taste like? 
  #Person2#: They're like a citrus fruit. 
  #Person1#: How do I know if it's ripe? 
  #Person2#: You can buy them hard. Wait a few days for them to develop a soft feel. 
  #Person1#: Where do they come from? 
  #Person2#: Most of them in this store are from Mexico.