conversations.from: human
conversations.value: To make 3 liters of ketchup Ashley needs 69 kg of tomatoes.  How many kilos of tomatoes does Ashley need to make 5 liters of ketchup?
  What is the solution?
conversations.from: assistant
conversations.value: One liter of ketchup is made from 69 kg / 3 liters = 23 kg/liter of tomatoes.
  Ashley needs 23 kg/liter * 5 liters = 115 kg of tomatoes.