"I take upon myself [to bring] a todah offering’’ or ‘‘a shelamim-offering’’ — he brings a lamb. "I specified from cattle, but I do not know what I specified’’ — he must bring a bull and a cow, and a male calf and a female calf. ‘‘From animals, but I do not know what I specified’’ — he must bring a bull and a cow, a male calf and a female calf, a ram and a ewe, a male kid and a female kid, a male goat and a female goat, a male lamb and a female lamb.