In what [case] were the [rules in the previous mishnah] stated? When obligatory [bird-pairs] and donated [elevation-]offerings [became mixed].
But [in the case of] obligatory [bird-pairs] which became mixed with each other:
[If] one [person] had one [pair] and the other had one [pair], [or] one had two and the other had two, [or] one had three and the other had three[, etc.];