conversations.from: human
conversations.value: I'm stuck on this math problem: Nathaniel has 11 tickets to a basketball game. He gives away 2 tickets each to his best friends, until he only has 3 tickets left. How many best friends does Nathaniel have?
  Can you help?
conversations.from: assistant
conversations.value: Nathaniel gave away 11-3 = 8 tickets to his best friends.
  Nathaniel has 8/2 = 4 best friends.