Qaalud-'u lanaa rabbaka yubaiyil lanaa maa hee; qaala innahoo yaqoolu innahaa baqaratul laa faaridunw wa laa bikrun 'awaanum baina zaalika faf'aloo maa tu'maroon
Then they said, "Please make a request to your Lord to give us some details of the cow." Moses answered, "Allah says that the cow should neither be old nor immature but of middle age. Do, therefore, as you are bidden."