conversations.from: human
conversations.value: A bag of jellybeans contains 8 black beans and 2 more green beans. It also contains 1 less orange bean than green beans. How many jellybeans are there in the bag?
conversations.from: assistant
conversations.value: There are 8 + 2 = 10 green beans.
  There are 10 -1 = 9 orange beans.
  There are 8 black + 10 green + 9 orange = 27 jelly beans.