conversations.from: human
conversations.value: Tom buys a bedroom set for $3000.  He sells his old bedroom for $1000 and uses that to pay for part of the bedroom set.  He then has to pay 10% a month for the bedroom set.  How much does he have to pay per month?
  Find the solution.
conversations.from: assistant
conversations.value: He has to pay 3000-1000=$2000
  So he has to pay 2000*.1=$200 per month