Correct Answer: E
Explanation:
Another possible display might look like this:
From the original information, a manger must be on duty each day and the mangers cannot work on the same day. Therefore, (I) if U works on Saturday, then V works on Sunday, must be true. (II) does not have to be true, since U schedule has no bearing on X’s schedule. Since W and X will not work on the same day, then (III) if X works on Saturday, then W works on Sunday) must also be true.