Mimamsasutra 119.2

119.2

atha yad uktam - na kriyā saṃbhaved vrīhin prokṣatīti. [84] na dravyaśabdaḥ syāt, ṣaḍ deyā iti anyadarśanavacanaṃ ca na syāt, anyaṃ tadrūpam iti. tat parihartavyam.

Now, as to what was said—that action would be impossible in "he sprinkles the grains of rice"; that there would be no substantive word in "six [cows] are to be given"; and that there could be no statement of observing another, such as "another of that same form"—that must be answered.