conversations.from: human
conversations.value: Jeremy buys 30 watermelons. He eats 3 watermelons per week. Each week he gives 2 to his dad. How many weeks will the watermelons last?
  Give me a detailed solution.
conversations.from: assistant
conversations.value: Jeremey goes through 3+2=5 watermelons per week.
  Therefore, the watermelons will last him to 30/5=6 weeks.