There are five boxes—T, U, W, X and Z—that are to be delivered on five consecutive days, Monday through Friday, one box per day. The following conditions are to be kept in mind while formulating the delivery schedule of the boxes:
(i) Box X is not to be delivered on Monday.
(ii) If box T is delivered on Monday, then box X must be delivered on Friday.
(iii) If box X is delivered on Tuesday, box U is delivered on Monday.
(iv) Box W is delivered the next day following the delivery of box Z.
If box W is delivered on Friday, which of the following must be false?