conversations.from: human
conversations.value: Susie has 572 beans in the jar. One-fourth of them are red and one-third of the remaining beans are white. Then half of the remaining are green beans. How many green beans are there?
  Solve this problem.
conversations.from: assistant
conversations.value: Susie has 572 x 1/4 = 143 red beans.
  There were 572 - 143 = 429 beans that are not red.
  There are 429 x 1/3 = 143 white beans.
  So, there were 429 - 143 = 286 beans left.
  Therefore, 286/2 = 143 beans are green.