[If] one has two groups of daughters from two wives, and he said: “I gave my elder daughter in kiddushin, and I do not know if [it was] the elder of the older ones, or the elder of the younger ones, or the younger of the older ones, who is older than the elder of the younger ones,” they are all prohibited except for the younger of the younger ones; [these are] the words of R’ Meir. R’ Yose says: They are all permitted except for the elder of the older ones.  [If he said:] “I gave my younger daughter in kiddushin, and I do not know if [it was] the younger of the younger ones, or the younger of the older ones, or the elder of the younger ones, who is younger than the younger of the older ones,” they are all prohibited except for the elder of the older ones; [these are] the words of R’ Meir. R’ Yose says: They are all permitted except for the younger of the younger ones.