conversations.from: human
conversations.value: Adam, Andrew and Ahmed all raise goats.  Adam has 7 goats.  Andrew has 5 more than twice as many goats as Adam.  Ahmed has 6 fewer goats than Andrew.  How many goats does Ahmed have?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: Andrew: 5+2(7)=19 goats
  Ahmed:19-6=13 goats