You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Who was the son of the of the warlord that was posthumously honored as "Emperor Wu of Wei"?" whose answer is Cao Zizheng.
Each document should contain about 30 words, and these documents should contain useful information.

Query: posthumous title "Emperor Wu of Wei" warlord
Useful Output:

Doc 1: Cao Cao ( 155 – 15 March 220), courtesy name Mengde, was a warlord  posthumously honoured as "Emperor Wu of Wei". Although he is often
Doc 2: whose posthumous title represents cultural elegance. Chang'an 長安(pre  (261–303) “Mourning Emperor Wu of Wei” (Diao Wei Wu wen 弔魏武帝文), the
Doc 3: Emperor Wu of Wei (posthumously honored by Cao Cao) issued a decree stating that one should not violate it; Xiaozhi is ready. Article 19 of.
Doc 4: Cao Cao ( 155 – 15 March 220), courtesy name Mengde, was a warlord  posthumously honoured as "Emperor Wu of Wei". Although he is often
Doc 5: Cao Cao's posthumous title was Wû (武) in 魏武帝 (Emperor Wu of Wei). Sun Quan founded the state of Wú (吴). Their pronunciation and form