《宋书·志·卷十六》
应该用两头牛。
宜用二牛。 
Two cattle should be offered as sacrifices.
<s>[INST] Render the following Classical Chinese text into fluent English: 宜用二牛。  [/INST] Two cattle should be offered as sacrifices.</s>
Render the following Classical Chinese text into fluent English: 宜用二牛。
user
Two cattle should be offered as sacrifices.
assistant