conversations.from: human
conversations.value: Nadine went to a garage sale and spent $56. She bought a table for $34 and 2 chairs. Each chair cost the same amount. How much did one chair cost?
conversations.from: assistant
conversations.value: Nadine spent $56 - $34 for the table = $22 on chairs.
  The cost of the chairs was equal, so one chair cost $22 / 2 = $11.