conversations.from: human
conversations.value: Frank has three less than half the number of cookies as Mike. Mike has three times as many cookies as Millie. If Millie has 4 cookies, how many cookies does Frank have?
  Solve it.
conversations.from: assistant
conversations.value: Mike has 4 * 3 = 12 cookies.
  Frank has 12 / 2 - 3 = 3 cookies