conversations.from: human
conversations.value: Find the answer to this math problem: Ben has 20 eggs in the fridge. Yesterday, he ate 4 eggs in the morning and 3 in the afternoon. How many eggs does Ben have now?
conversations.from: assistant
conversations.value: Ben ate 4 + 3 = 7 eggs yesterday.
  So he will have left 20 - 7 = 13 eggs.