In a group of five friends: A, B, C, D, and E, the following conditions are given: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?

C. C

A, B, C, D, and E are five different fruits. A is sweeter than B but less sweet than C. D is sweeter than E but less sweet than A. Which fruit is the least sweet?

B. B

In a group of five friends: Alice, Bob, Charlie, David, and Eva, the following conditions are given: 1) Alice is not friends with Bob. 2) Charlie is friends with both Bob and David. 3) David is not friends with Eva. Which of the following friends can be selected based on these conditions?

C. CHARLIE

A committee of four members is to be formed from the following candidates: P, Q, R, S, and T. The selection criteria are: 1) P cannot be selected if Q is selected. 2) R must be included if S is included. 3) T can only be selected if P is not selected. Which of the following combinations is valid?

C. R, S, T

A, B, C, D, and E are five books arranged on a shelf. The conditions are: A is to the left of B but to the right of C. D is to the right of E but to the left of A. Which book is in the middle position?

D. D