In a race, the following conditions apply: Runner X finishes before Runner Y but after Runner Z. Runner W finishes last. Who finishes first?

C. Z

From the following items: 1) A, 2) B, 3) C, 4) D, 5) E, the selection rules are: A cannot be selected if C is selected. B must be included if D is included. E can only be included if A is not included. Which of the following selections is valid?

C. B, D, E

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

D. E

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

In a competition, there are four participants: Alice, Bob, Carol, and Dave. The following conditions are provided: 1) Alice scored higher than Bob but lower than Carol. 2) Dave scored the lowest. 3) Bob did not score the highest. Who scored the highest in the competition?

C. CAROL