《宋书·志·卷十七》
皇太子住进上宫，于事理有所疑问。 
皇太子入住上宫，于事有疑。 
The Crown Prince had doubts about the matter when he moved into the Upper Palace.
<s>[INST] Render the following Classical Chinese text into fluent English: 皇太子入住上宫，于事有疑。  [/INST] The Crown Prince had doubts about the matter when he moved into the Upper Palace.</s>
Render the following Classical Chinese text into fluent English: 皇太子入住上宫，于事有疑。
user
The Crown Prince had doubts about the matter when he moved into the Upper Palace.
assistant