conversations.from: human
conversations.value: 10 people attended class on Monday, 15 on Tuesday, and 10 on each day from Wednesday through Friday. What was the average number of people who attended class each day?
  How to solve this?
conversations.from: assistant
conversations.value: A total of 10 + 15 + 10 + 10 + 10 = 55 people attended class across the 5 days
  An average of 55 people / 5 days = 11 people per day attended class