《左传·昭公·昭公二十一年》
二十日，华氏、向氏回来，乐大心。
壬寅，华、向入。
On May 20th, Hua and Xiang came back, Le Da was happy.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 壬寅，华、向入。 [/INST] On May 20th, Hua and Xiang came back, Le Da was happy.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 壬寅，华、向入。
user
On May 20th, Hua and Xiang came back, Le Da was happy.
assistant