A, B, C, D, and E are seated in a row. A is not at either end. C is sitting to the left of D. E is sitting at one of the ends. Who is sitting next to A?

B. C

From the set of items: X, Y, Z, A, and B, the following rules apply: 1) X and Y cannot be selected together. 2) If Z is selected, A must also be selected. 3) B can only be selected if Y is not selected. Which selection is permissible?

A. X, Z, A

Among five animals: Lion, Tiger, Elephant, Giraffe, and Bear, the Lion is heavier than the Bear but lighter than the Elephant. The Tiger is heavier than the Giraffe but lighter than the Lion. Which animal is the heaviest?

C. ELEPHANT

In a race, A finishes before B but after C. D finishes after A but before E. Who finishes last?

B. B

In a selection of four colors from the following: Red, Blue, Green, Yellow, and Purple, the rules are: 1) Red and Blue cannot be selected together. 2) Green must be included if Yellow is included. 3) Purple can only be selected if Red is not selected. Which of the following combinations is valid?

D. BLUE, GREEN, YELLOW