Each of the following passages may be plausibly criticized by some who conclude that it contains a fallacy, but each will be defended by some who deny that the argument is fallacious. Discuss the merits of each argument and explain why you conclude that it does or does not contain a fallacy of relevance.

“But I observe,” says Cleanthes, “with regard to you, Philo, and all speculative sceptics, that your doctrine and practice are as much at variance in the most abstruse points of theory as in the conduct of common life.”