《搜神记·卷六》
汉景帝十六年，梁孝王在北山打猎，有人献上一条脚从背脊上向上长的牛。
景帝十六年，梁孝王田北山，有献牛，足上出背上者。
In the sixteenth year of Emperor Jing of Han, King Liu Wu of Liang was hunting in Beishan and someone presented him with a cow with a leg growing upward from its back.
<s>[INST] Convert the following modern Chinese text into Classical Chinese: 汉景帝十六年，梁孝王在北山打猎，有人献上一条脚从背脊上向上长的牛。 [/INST] 景帝十六年，梁孝王田北山，有献牛，足上出背上者。</s>
Convert the following modern Chinese text into Classical Chinese: 汉景帝十六年，梁孝王在北山打猎，有人献上一条脚从背脊上向上长的牛。
user
景帝十六年，梁孝王田北山，有献牛，足上出背上者。
assistant