Maaser sheni that entered Jerusalem and was contaminated, whether it was contaminated by an av hatumah or whether it was contaminated by a v'lad hatumah, whether inside [Jerusalem] or outside, Beis Shammai say: All should be redeemed and eaten inside, except for that which was contaminated by an av hatumah outside. But Beis Hillel say: All of it should be re-deemed and eaten outside, except for that which was contaminated by a v'lad hatumah inside.