conversations.from: human
conversations.value: Provide a step by step solution for the following math problem: James delivers 600 newspapers in a day. He delivers 198 newspapers to District A, some to District B and 209 newspapers to District C. How many newspapers does he deliver to District B?
conversations.from: assistant
conversations.value: He delivers to District A and C a total of 198+209 = 407 newspapers
  He delivers 600 in total so District B will get the remainder which is 600-407 = 193 newspapers