conversations.from: human
conversations.value: Explain how to solve this math problem: David and Brenda are playing Scrabble. Brenda is ahead by 22 points when she makes a 15-point play. David responds with a 32-point play. By how many points is Brenda now ahead?
conversations.from: assistant
conversations.value: Brenda is 22+15=37 points ahead after her play.
  Then she is 37-32=5 points ahead.