[Regarding any] malbein that was placed upon tongues, R’ Meir and R’ Yehudah rule [them] tamei, [but] R’ Yose and R’ Shimon rule [them] tahor. R’ Yose says: Why is this different than the malbeins of the Levites? [These should be tahor,] for the malbeins of the Levites are tahor.