《宋史·本纪·卷七》
初五，契丹使臣姚东之来献纳御衣食物。
甲申，契丹使姚东之来献御衣、食物。
On the 5th day, the Khitan envoy Yao Dongzhi came to offer food and clothing.
<s>[INST] Kindly elucidate the central themes in this passage in English: 甲申，契丹使姚东之来献御衣、食物。 [/INST] On the 5th day, the Khitan envoy Yao Dongzhi came to offer food and clothing.</s>
Kindly elucidate the central themes in this passage in English: 甲申，契丹使姚东之来献御衣、食物。
user
On the 5th day, the Khitan envoy Yao Dongzhi came to offer food and clothing.
assistant