Two People Are Placed in a Room and Provoked to Behave

Two people are placed in a room and provoked to behave aggressively toward one another. Which of the following is most likely to happen if there is a weapon in the room?

A) There is a greater likelihood that they will behave aggressively toward one another than if there was no weapon.
B) There is a greater likelihood that they will engage in higher-order cognition and subsequently behave less aggressively toward one another than if there was no weapon.
C) The weapon will increase the likelihood that they will behave aggressively toward one another, but only if the two people are male.
D) The weapon will have no effect on whether or not they behave aggressively toward one another.