From the items A, B, C, D, and E, the following selection conditions apply: 1) A and B cannot be selected together. 2) C must be selected if D is selected. 3) E can only be selected if A is not selected. Which of the following selections is possible?
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?
In a group of five friends: A, B, C, D, and E, the following conditions apply: A is taller than B but shorter than C. D is shorter than E but taller than A. Who is the tallest among them?
There are four boxes labeled X, Y, Z, and W. The following conditions are given: Box X contains more items than Box Y. Box Z contains fewer items than Box W. Which box contains the least items?
In a group of six people: A, B, C, D, E, and F, A is older than B but younger than C. D is older than E but younger than F. If C is older than F, who is the youngest?