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 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?

C. Q, R, S

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

C. ALICE, DAVID, EVA

In a selection of fruits: Apple, Banana, Cherry, and Date, the following conditions apply: 1) Apple and Banana cannot be selected together. 2) Cherry must be selected if Date is selected. Which of the following selections is valid?

D. CHERRY, DATE

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

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