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 directly opposite B, who is sitting to the immediate left of A?
A team of four players: X, Y, Z, and W must be selected based on the following criteria: 1) X cannot be selected if Y is selected. 2) Z must be selected if W is selected. Which of the following combinations is valid?