conversations.from: human
conversations.value: Vinnie is writing an essay and needs to make sure that he has not exceeded the 1000-word limit. He wrote 450 words on Saturday and 650 words on Sunday. How many words has Vinnie exceeded the limit by?
conversations.from: assistant
conversations.value: Vinnie has written a total of 450 words on Saturday + 650 words on Sunday = 1100 words.
  He has therefore exceeded the limit by 1100 written words – 1000 word limit = 100 words.