conversations.from: human
conversations.value: Solve the following math problem: John manages to run 15 mph for his whole 5-mile race.  The next fastest guy ran the race in 23 minutes.  How many minutes did he win the race by?
conversations.from: assistant
conversations.value: He runs the race in 5/15=1/3 of an hour
  So he runs the race in 60/3=20 minutes
  That means he beat the next fastest guy by 23-20=3 minutes