Alpaca 偏好对齐场景是否支持多轮问答

[luguanhui]

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System Info

在https://llamafactory.readthedocs.io/zh-cn/latest/getting_started/data_preparation.html#id10 文档中, 只描述了Alpaca 偏好对齐 1轮 问答 例子 ,没有多轮问答例子, 是否支持多轮问答? 能否给个例子

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