A team of three players is to be selected from the following: X, Y, Z, W, and V. The selection rules are: 1) X cannot be selected if Y is selected. 2) Z must be included if W is included. 3) V can only be selected if X is not selected. Which of the following teams is valid?
From the following items: 1) Red, 2) Blue, 3) Green, 4) Yellow, the selection criteria are: 1) Red and Blue cannot be selected together. 2) Green must be selected if Yellow is selected. Which of the following combinations is valid?