In American Football the "Third Down and Short" Situation Occurs

Multiple Choice

In American football the "third down and short" situation occurs often. The probabilities of obtaining a first down, shown below, are dependent on the choice of the offense and the anticipated choice of the defense. In such situations, what is the optimal solution for the defense?

A) always anticipate a run
B) always anticipate a pass
C) anticipate a run more often than a pass
D) anticipate a pass more often than a run