conversations.from: human
conversations.value: Peter has to walk 2.5 miles to get to the grocery store. If it takes him 20 minutes to walk one mile and he has walked 1 mile already, how many more minutes does he have to walk to reach it?
  What is the solution?
conversations.from: assistant
conversations.value: Peter has to walk a remaining 2.5 total miles - 1 mile completed = 1.5 miles remaining
  It will take him another 20 minutes * 1.5 miles remaining = 30 minutes to get to the grocery store