Five people are sitting in a row: X, Y, Z, W, and V. Y is to the left of Z but to the right of W. V is at one of the ends. Who is sitting in the middle?
In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice cannot sit next to Bob. 2) Charlie must sit next to David. 3) Eva cannot sit at either end. Which of the following arrangements satisfies all conditions?