From the set of items: X, Y, Z, W, and V, the following selection conditions apply: 1) X and Y cannot be selected together. 2) Z must be selected if W is selected. 3) V can be selected only if Y is not selected. Which selection is valid?
In the Smith family, John is a doctor and has two siblings: Alice, who is a teacher, and Bob, who is a lawyer. If Alice has a son named Tim, what is Tim's relationship to John?
Four friends, A, B, C, and D, are sitting in a row. A is to the left of B but to the right of C. D is to the right of A. What is the correct order from left to right?
In a group of 7 friends sitting in a circle, M is between N and O. P is opposite to Q. R is sitting next to S. If T is sitting to the left of N, who is sitting opposite to M?