A person who is drawing up a will has exactly five potential heirs-S, T, U, V, and W. The estate will distribute exactly seven lots of land, which are numbered 1 through 7. All seven lots will be distributed, subject to the following restrictions1:
No lot is to be shared, and no heir can inherit more than three lots.
Whoever inherits lot 2 cannot inherit any other lot.
No heir can inherit both lot 3 and lot 4.
If S inherits one or more lots, then U cannot inherit any.
If S inherits lot 2, then T must inherit lot 4.
W must inherit lot 6 but cannot inherit lot 3.
1. If S inherits lot 2 ,who must inherit lot 3?
S T U V W
2. If S inherits lot 2 and three heirs inherit two lots each, no one can inherit both lots
1 and 3 1 and 6 1 and 7
4 and 5 6 and 7
3. If U and V inherit no lots, which of the following must inherit three lots?
S only T only W only
Both S and T Both S and W
