premise: During a single week, from Monday through Friday, tours will be conducted of a company's three divisions—Operations, Production, and Sales. Exactly five tours will be conducted that week, one each day. The schedule of tours for the week must conform to the following restrictions: Each division is toured at least once. The Operations division is not toured on Monday. The Production division is not toured on Wednesday. The Sales division is toured on two consecutive days, and on no other days. If the Operations division is toured on Thursday, then the Production division is toured on Friday. If in addition to the Sales division one other division is toured on two consecutive days, then it could be true of the week's tour schedule both that the
hypothesis: Production division is toured on Tuesday and that the Sales division is toured on Wednesday