Separate pieces of tamei food do not combine, these are the words of R' Dosa ben Horkinas. But the Sages say: It does com-bine. One can deconsecrate maaser sheni onto an unstamped coin, [these are] the words of R' Dosa. But the Sages say: One cannot deconsecrate [maaser sheni in this manner]. One must immerse [his] hands [in a mikveh] for [the] chatas [water], these are the words of R' Dosa. But the Sages say: If one's hands had become tamei, his [entire] body is [treated as though it had become] tamei.

The insides of a melon and that which is cut from a vegetable that are terumah, R' Dosa permits [their consumption] by non-Kohanim, but the Sages prohibit [their consumption by non-Kohanim]. Five sheep, each of which is shorn of [wool that weighs] a maneh and a half, are subject to the [law of the] first fleece, these are the words of R' Dosa. But the Sages say: Five sheep [shorn of wool that weighs] any amount [are subject to the obli-gation].