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 group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: Alice is not friends with Bob. Charlie is friends with both Alice and Eva. David is friends with Bob but not with Eva. Who can be selected if we want to choose friends of Alice only?

B. CHARLIE

A team of players is to be formed with the following conditions: Players must be either defenders or forwards, and they must be at least 25 years old. Given the players: Alex (Defender, 24), Brian (Forward, 26), Chris (Defender, 28), and David (Forward, 23), who can be selected?

B. BRIAN AND CHRIS

Five books are arranged on a shelf: Book A is to the left of Book B but to the right of Book C. Book D is to the right of Book E but to the left of Book A. Which book is in the middle?

A. A

In a selection of five books: A, B, C, D, and E, the following conditions apply: Book A cannot be selected if Book B is selected. Book C can only be selected if Book D is not selected. Which of the following combinations is valid?

C. A, D, E