Which of the Following Is an Example of a Task

Multiple Choice

Which of the following is an example of a task that would be required in a two-action test?

A) A pigeon has to first turn in a circle and then peck at a light to obtain access to food.
B) Two pigeons have to peck at the same light for either of them to obtain access to food.
C) Two dolphins are taught to swim to a trainer for a fish reward,one by swimming through a tunnel and the other by swimming in a wiggly path.
D) Two apes are trained to retrieve a toy using a stick.One is rewarded with a banana,and the other is rewarded with an orange.