《太平广记·卷二百九十三·神三》
他有个儿子叫蔡道，已经死去三十年了。
有子名道，亡已三十年。
He had a son called Cai Dao who had been dead for 30 years.
<s>[INST] Convert the following English text into Classical Chinese: He had a son called Cai Dao who had been dead for 30 years. [/INST] 有子名道，亡已三十年。</s>
Convert the following English text into Classical Chinese: He had a son called Cai Dao who had been dead for 30 years.
user
有子名道，亡已三十年。
assistant