la kir cusku di'e > Weither "(the mass of) human being weigh near 80 kg" or "... near 400,000,000 > tons"? IMHO first version is closer to Reference Grammar examples. Or not? I'd go with the tons. If it's 80 kg then what is the weight of half of the mass? Some 40 kg? I'd say: lo'e remna cu grake li ji'ibinoki'o i piro loi remna cu grake li so'iki'oki'o co'o mi'e xorxes