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
treating one of several plausible explanations of a phenomenon as the only possible explanation