conversations.from: human
conversations.value: Each yogurt is topped with 8 banana slices.  One banana will yield 10 slices.  If Vivian needs to make 5 yogurts, how many bananas does she need to buy?
  Can you solve this problem?
conversations.from: assistant
conversations.value: To make the yogurts, Vivian needs 5 x 8 = 40 banana slices.
  She needs to buy 40 / 10 = 4 bananas.