Restaurant manager: In response to requests from our customers for a children' s menu, we recently introduced three different options designed for kids: a grilled cheese sandwich with fries, chicken tenders with onion rings, and a hot dog with potato chips. The first two are frequently ordered, but no one orders the hot dog, although it costs less than the other two. Clearly, then, the children who eat here prefer not to eat hot dogs. Which one of the following is an error of reasoning in the restaurant manager's argument? ['attempting to prove a claim on the basis of evidence that a number of people hold that claim to be true', 'drawing a conclusion that is inconsistent with one premise of the argument', 'ignoring possible differences between what people say they want and what they actually choose', 'treating one of several plausible explanations of a phenomenon as the only possible explanation']