《新五代史·世家·楚世家第六》
剀言最初为刺史彭矸效力，随彭开投奔楚，刘言事奉马希范任辰州刺史。
言，初事刺史彭玕，从玕奔楚，言事希范为长州刺史。
Liu Yan initially worked for Prefect Peng Gang and followed Peng to surrender to Chu, while Liu Yan served under Ma Xifan, who was the prefect of Chenzhou.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 言，初事刺史彭玕，从玕奔楚，言事希范为长州刺史。 [/INST] Liu Yan initially worked for Prefect Peng Gang and followed Peng to surrender to Chu, while Liu Yan served under Ma Xifan, who was the prefect of Chenzhou.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 言，初事刺史彭玕，从玕奔楚，言事希范为长州刺史。
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Liu Yan initially worked for Prefect Peng Gang and followed Peng to surrender to Chu, while Liu Yan served under Ma Xifan, who was the prefect of Chenzhou.
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