conversations.from: human
conversations.value: Ember is half as old as Nate who is 14.  When she is 14 herself, how old will Nate be?
  Give me a detailed solution.
conversations.from: assistant
conversations.value: Ember is 14 / 2 = 7 years old.
  When she is 14, Nate will be 14 + 7 = 21 years old.