《战国策·魏一·楚许魏六城》
楚国答应给魏国六座城邑，同它一起攻打弃国保存燕国。
楚许魏六城，与之伐齐而存燕。
Chu promised to give Wei six cities and join them in attacking Qi to preserve Yan.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 楚许魏六城，与之伐齐而存燕。 [/INST] Chu promised to give Wei six cities and join them in attacking Qi to preserve Yan.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 楚许魏六城，与之伐齐而存燕。
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Chu promised to give Wei six cities and join them in attacking Qi to preserve Yan.
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