conversations.from: human
conversations.value: In 7 days, Sofie will walk twice as far as Brian. If Sofie plans to walk 10 miles every day, how many miles will Brian walk in seven days?
conversations.from: assistant
conversations.value: If Sofie walks 10 miles each day, she will walk 7*10 = 70 miles in seven days.
  Since Sofie is walking twice as far as Brian, Brian will walk 70/2 = 35 miles in seven days.