Which one of the following exhibits both of the logical flaws exhibited in the argument above? All intelligent people are nearsighted. I am very nearsighted. So I must be a genius. ['All chickens have beaks. This bird has a beak. So this bird must be a chicken.', 'All pigs have four legs, but this spider has eight legs. So this spider must be twice as big as any pig.', 'John is extremely happy, so he must be extremely tall because all tall people are happy.', 'I must be stupid because all intelligent people are nearsighted and I have perfect eyesight.']