《新五代史·列传·周家人传第八》
皇后感激周太祖不杀之恩，拜周太祖为义父。
后感太祖不杀，拜太祖为父。
The Empress was grateful for Emperor Taizu's kindness in not killing her and became Emperor Taizu's foster daughter.
<s>[INST] Identify the key themes in this Classical Chinese text and explain them in English: 后感太祖不杀，拜太祖为父。 [/INST] The Empress was grateful for Emperor Taizu's kindness in not killing her and became Emperor Taizu's foster daughter.</s>
Identify the key themes in this Classical Chinese text and explain them in English: 后感太祖不杀，拜太祖为父。
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The Empress was grateful for Emperor Taizu's kindness in not killing her and became Emperor Taizu's foster daughter.
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