For each situation described, indicate which rule applies in determining the number of possibilities: The Rule of Sum (S) or the Rule of Product (P).

a. Rolling a sum of either four or seven with two dice.

b. Selecting a pair of shorts, hat, and t-shirt to wear to school.

c. Getting dealt a full house or 3-of-a-kind.

d. Picking a horse in either the first or second race at the track.

e. Buying a car with or without air conditioning, automatic or manual transmission, CD player, and power windows.