《明史·列传·卷一百零八》
从前两河分流，到了牛栏山才汇合。
向二水分流，到牛栏山始合。
In the past, the two rivers flowed separately and only converged at Niulanshan.
<s>[INST] Rewrite the following English passage in the style of Classical Chinese: In the past, the two rivers flowed separately and only converged at Niulanshan. [/INST] 向二水分流，到牛栏山始合。</s>
Rewrite the following English passage in the style of Classical Chinese: In the past, the two rivers flowed separately and only converged at Niulanshan.
user
向二水分流，到牛栏山始合。
assistant