conversations.from: human
conversations.value: This math problem has got me stumped: Herbert is 10 years younger than Kris. If Kris is 24 years old now, how old will Herbert be next year?
  Can you show me the way?
conversations.from: assistant
conversations.value: Herbert is 24 - 10 = 14 years old now.
  Thus, Herbert will be 14 + 1 = 15 years old next year.