conversations.from: human
conversations.value: Jackie spends 8 hours working, 3 hours of exercise and spends 8 hours of sleep per day. How much free time does Jackie have?
  Solve this problem.
conversations.from: assistant
conversations.value: Jackie spends a total of 8 + 8 + 3 = 19 hours on work, exercise, and sleeping.
  Therefore he has 24 - 19 = 5 hours of free time.