[If he said,] ‘‘This ox shall be an olah-offering,’’ and it became blemished, if he wishes he may bring two for its money. ‘‘These two oxen shall be an olah-offering,’’ and they became blemished, if he wishes he may bring one with their money. Rebbi prohibits [it]. ‘This ram shall be an olah-offering,’’ and it became blemished, if he wishes he may bring a lamb with the money. ‘‘This lamb shall be an olah-offering,’’ and it became blemished, if he wishes he may bring a ram with its money. Rebbi prohibits [it]. If one said, ‘‘One of my lambs shall be consecrated,’’ [or] ‘‘one of my oxen shall be consecrated’’ — [if] he had two, the larger of them is consecrated. [If he had] three, the middle one of them is consecrated. [If he said,] ‘‘I specified, but I do not know which I specified,’’ or he said, ‘‘My father told me, but I do not know which’’ — the largest of them is consecrated.