Confused

Is the first sentence necessary for understanding the stimulus? I thought the argument was saying "not both," as in if the sports figure had a bookstore appearance, then he had no competition, and if he had a competition, then no bookstore appearance. The answer choices all looked logically different from the stimulus.

@Ashley-Tien The prompt is saying that if the rule is that she can only do publicity when she’s not playing and vice versa, then if she’s playing in London, there isn’t a publicity event. Answer B parallels this by saying if the rule is doctors only do minor injuries when there are no big injuries, then if they’re doing minor injuries, there isn’t a big injury. The first sentence provides background for why it is she doesn’t do both, but isn’t strictly necessary for understanding the argument. Does that help?