Seafood restaurants in Snare Island generally serve only fish caught in the waters around Snare Island since inhabitants are accustomed to the distinctive taste of Snare fish. Nevertheless, fishermen from Chinua, a nearby island, plan to sell Snare Island residents fish caught in Chinuan waters by selling at a lower price than that of Snare fish and marketing it as a low-fat alternative.
Which of the following, if true, casts most doubt on the viability of the plan by Chinua's fishermen to sell their fish in Snare Island?
(A) Many of the species of fish caught by Snare Island fishermen and Chinuan fishermen are closely related.
(B) Consumers in Snare Island eat fish in restaurants about as often as do consumers in Chinua.
(C) At times in the past, Snare Island fishermen have sold much of their catch to buyers in Chinua.
(D) The warmer climate in Chinua allows Chinuan fishermen to harvest fish more months of the year than can Snare Island fishermen.
(E) Most Snare Island residents are not concerned about their diet and believe that locally-caught fish are low-fat.
E is the answer, the conclusion is based on the fact that Chinua fish will be sold more bcz of marketing (low fat alternative) and also low price. E directly negates our conclusion by saying ppl of snare island don't care about "low-fat" and think that what they eat is low-fat. Hence,