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 David and Eva. 3) Bob is friends with Eva but not with David. Who can be selected as friends of Charlie?

B. DAVID, EVA

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

D. Q, R, S

A, B, C, D, and E are five different colored balls: Red, Blue, Green, Yellow, and Black. The following conditions are given: The Red ball is not next to the Blue ball. The Green ball is next to the Yellow ball. The Black ball is not next to the Red ball. Which ball is next to the Yellow ball?

D. GREEN

In a puzzle, there are three boxes: A, B, and C. The following conditions apply: 1) Box A cannot contain item 1. 2) Box B must contain item 2 if box C contains item 3. 3) Box C can only contain item 1 or item 3. Which box must contain item 2?

B. BOX B

A team of four members is to be formed from the following individuals: X, Y, Z, W, and V. The selection criteria are: 1) X cannot be selected if Y is selected. 2) Z must be included if W is included. 3) V can only be included if X is not included. Which of the following combinations meets the selection criteria?

D. Y, Z, W