In a cooking competition, Chef A's dish is better than Chef B's but worse than Chef C's. Chef D's dish is the worst. Who has the best dish?

C. CHEF C

In a circular seating arrangement, A is sitting to the immediate right of B, and C is sitting to the immediate left of D. If E is sitting opposite A, who is sitting to the immediate left of C?

B. D

In a sales competition, Tom sold more than Jerry but less than Alice. Bob sold the least. Who sold the most?

C. ALICE

In a straight line, P is to the left of Q and R is to the right of Q. S is to the left of P. Who is sitting in the extreme right?

C. R

A committee of four members is to be formed from the following people: P, Q, R, S, and T. P and Q cannot be in the committee together. R must be included if S is included. T can be included only if R is included. Which of the following groups is a valid committee?

D. Q, R, T