conversations.from: human
conversations.value: There are 35 books on the cart. There are five fiction books, 4 more non-fiction books than fiction books, 2 times as many autobiographies as fiction books, and the rest picture books. How many books were picture books?
  Give me a solution to this problem
conversations.from: assistant
conversations.value: There are 5+4 = 9 non-fiction books on the cart.
  There are 2*5 = 10 autobiographies on the cart.
  There are 5+9+10 = 24 fiction, non-fiction, and autobiography books on the cart.
  There are 35-24 = 11 picture books on the cart.