《左传·宣公·宣公三年》
郑文公赶走公子们，公子兰逃亡到晋国，跟随晋文公攻打郑国。
公逐群公子，公子兰奔晋，从晋文公伐郑。
Duke Wen of Zheng drove out the noblemen's sons, and Lan, the nobleman's son, fled to the state of Jin, and followed Duke Wen of Jin to attack the state of Zheng.
<s>[INST] Convert the following English text into Classical Chinese: Duke Wen of Zheng drove out the noblemen's sons, and Lan, the nobleman's son, fled to the state of Jin, and followed Duke Wen of Jin to attack the state of Zheng. [/INST] 公逐群公子，公子兰奔晋，从晋文公伐郑。</s>
Convert the following English text into Classical Chinese: Duke Wen of Zheng drove out the noblemen's sons, and Lan, the nobleman's son, fled to the state of Jin, and followed Duke Wen of Jin to attack the state of Zheng.
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公逐群公子，公子兰奔晋，从晋文公伐郑。
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