In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions apply: 1) Alice cannot be selected if Bob is selected. 2) Charlie must be selected if Eva is selected. 3) David can only be selected if Alice is not selected. Which of the following groups can be selected?

C. BOB, CHARLIE, EVA

From the following items: P, Q, R, S, and T, the selection rules are: 1) P cannot be selected if Q is selected. 2) R must be selected if S is selected. 3) T can be selected only if P is not selected. Which of the following selections is valid?

D. R, S, T

In a race, the following conditions are given: Runner X finishes before Runner Y but after Runner Z. Runner W finishes after Runner Y. Who finishes first?

C. Z

A class of students consists of John, Sarah, Mike, and Lisa. The following conditions are given: 1) John cannot be in the same group as Sarah. 2) Mike must be in the same group as Lisa. Which of the following groups is valid?

A. JOHN, MIKE, LISA

In a group of five friends: Alex, Brian, Charlie, David, and Edward, the following conditions apply: 1) Alex is taller than Brian but shorter than Charlie. 2) David is shorter than Edward. 3) Charlie is not the tallest. Who is the tallest among them?

C. EDWARD