conversations.from: human
conversations.value: Explain how to solve this math problem: James orders an 8 piece pizza.  His friend eats 2 slices and James eats half of what is left.  How many slices does James eat?
conversations.from: assistant
conversations.value: There are 8-2=6 slices left after his friend eats some slices
  That means So he eats 6/2=3 slices