conversations.from: human
conversations.value: On Monday Buddy has 30 baseball cards. On Tuesday Buddy loses half of them. On Wednesday Buddy buys 12 baseball cards. On Thursday he buys a third of what he had on Tuesday. How many baseball cards does he have on Thursday?
  How to solve this?
conversations.from: assistant
conversations.value: On Tuesday Buddy has 30/2 = 15 baseball cards.
  On Wednesday Buddy has 15+12 = 27 baseball cards.
  On Thursday Buddy buys 15/3 = 5 baseball cards.
  On Thursday Buddy has a total of 27+5 = 32 baseball cards.