conversations.from: human
conversations.value: Beau’s sons are triplets.  They are 16 years old today.  Three years ago, the sum of his 3 sons’ ages equaled Beau’s age.  How old is Beau today?
  Find the solution.
conversations.from: assistant
conversations.value: Three years ago, his sons were 16 - 3 = 13 years old.
  Three years ago, Beau was 13 + 13 + 13 = 39 years old.
  Today, Beau is 39 + 3 = 42 years old.