Question ID:PT87 S4 Q6 Passage:A television station must determine the order in which five commercials, each advertising a single product‚ fast food, granola, pizza, sportswear, or trucks‚ are to be aired during the five slots available in a commercial break. The order of the commercials is subject to the following constraints:The pizza commercial must be aired earlier than the granola commercial.The sportswear commercial must be aired earlier than the truck commercial.The fast-food and sportswear commercials must be aired consecutively. Stem:How many of the commercials are there any one of which could be aired last? Correct Answer Choice:DChoice A:five Choice B:four Choice C:three Choice D:two Choice E:one