Which of the Following "Superordinate" Goals Was Not Used by Sherif

Multiple Choice

Which of the following "superordinate" goals was not used by Sherif in the Robber's Cave study?

A) The food truck broke down on the way back to camp.
B) There was not enough watermelon at a camp cookout.
C) The water supply broke down due to a problem with the water line.
D) There was not enough money to rent a movie for the camp.