Anchor: COST DRIVER - Any factor that causes a change in the cost of an activity or output.
Entailed: Cost driver is any factor that can change in cost of activity or output
Contradiction: Cost driver doesn't change activity or output cost
Contradiction: The entire museum is free.
Contradiction: Two people are on the water.
Contradiction: A guy doing tricks on his skateboard.
Contradiction: Consider the relationship between Bob and Chiquita.