Pizzerias are the only restaurants that routinely record the names, addresses, and menu selections of their customers. Simply by organizing these data, they can easily identify regular, average, and infrequent customers. Ttherefore, pizzerias utilize direct-mail marketing more effectively than do other restaurants.
The statement 'For restaurants, utilizing direct-mail marketing requires the names, addresses, and menu selections of at least some customers' enables the argument's conclusion to be properly inferred.