On the other hand, advertising mail is narrowly defined as First-Class stand-alone advertising mail, i.e., First-Class Mail used exclusively for advertising.
advertising mail is defined as first-class and stand-alone advertising mail.
mnli hypothesis: advertising mail is defined as first-class and stand-alone advertising mail. premise: On the other hand, advertising mail is narrowly defined as First-Class stand-alone advertising mail, i.e., First-Class Mail used exclusively for advertising.