conversations.from: human
conversations.value: Doxa sliced an apple into 8 pieces. She ate 1 slice, her sister ate 1 more than her, and her brother ate 1 more than her sister. How many slices of apple did they all eat?
  How to solve this?
conversations.from: assistant
conversations.value: Her sister ate 1 + 1 = 2 slices.
  Her brother ate 2 + 1 = 3 slices.
  They ate a total of 1 + 2 + 3 = 6 slices.