From the following items: X, Y, Z, W, and V, the selection conditions are: 1) X and Y cannot be selected together. 2) Z must be selected if W is selected. 3) V can only be selected if X is not selected. Which of the following selections is valid?

D. W, Z, V

In a family, there are three siblings: X, Y, and Z. X is older than Y but younger than Z. If Z is a doctor and Y is a teacher, what is X's profession if he is not a student?

B. LAWYER

In a race, John finishes before Mike but after Sarah. Tom finishes after Mike. Who finishes first?

C. SARAH

In a cooking competition, five chefs X, Y, Z, W, and V prepare dishes. X finishes before Y but after Z. W finishes before V but after Y. What is the correct finishing order?

A. Z, X, Y, W, V

A, B, C, D, and E are seated in a row. A is to the left of B but not next to C. D is sitting next to E. Who is sitting at the extreme right?

D. E