《周书·列传·卷九》
十五岁时，被选到宫中，拜为贵妃。
年十五，被选入宫，拜为贵妃。
At the age of fifteen, she was selected for the palace and was named a concubine.
<s>[INST] Kindly elucidate the central themes in this passage in English: 年十五，被选入宫，拜为贵妃。 [/INST] At the age of fifteen, she was selected for the palace and was named a concubine.</s>
Kindly elucidate the central themes in this passage in English: 年十五，被选入宫，拜为贵妃。
user
At the age of fifteen, she was selected for the palace and was named a concubine.
assistant