conversations.from: human
conversations.value: Josh has soccer practice on Monday, Wednesday, and Friday from 3:00 p.m. to 5:00 p.m.  He has band practice on Tuesday and Thursday from 3:30 p.m. to 5:00 p.m.  From Monday to Friday, how many hours does Josh spend on extracurricular activities?
conversations.from: assistant
conversations.value: Josh practices soccer 2 hours x 3 days = 6 hours.
  He practices band 1.5 hours x 2 days = 3 hours.
  From Monday to Friday, on extracurricular activities, Josh spends 6 + 3 = 9 hours.