The obesity invariably associated with some high-fat diets is caused by an absence in these diets of certain nutrients that are necessary for an active metabolism, not by excessive caloric intake. Hence, people on these high-fat diets do not consume too many calories. The questionable pattern of reasoning in the argument above is most similar to that in which one of the following? ['The disorientation observed in airline pilots after transoceanic flights is caused not by sleep deprivation but by disruption in their exposure to daylight. Hence, transoceanic pilots do not suffer from sleep deprivation.', 'Stock market crashes are due, not to panic in the face of predicted economic downturns, but to mere rumormongering without any basis in fact. Hence, economic downturns cannot be accurately predicted.', 'The impression that most viewers of sports programming are beer drinkers is due not to mere stereotyping but to the vast number of beer commercials broadcast during televised sports. Hence, most beer drinkers are avid fans of sports programs.', 'Electrical storms are strongly correlated with precipitous drops in barometric pressure. So, electrical storms are caused by such drops in pressure, rather than by air turbulence.']