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 is the father of the billionaire that operates HK Television Entertainment?" whose answer is Li Ka-Shing.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Richard Li father
Useful Output:

Doc 1: Two decades ago, Richard Li, the second son of Hong Kong's richest man, Li Ka-shing, was going through a techie phase.
Doc 2: Hong Kong. HONG Kong billionaire Richard Li, who broke away from his famous father Li Ka-shing decades ago to build his own business empire,
Doc 3: With seven employees and a multimillion-dollar investment from his father, Li founded the satellite-based cable television service STAR – short
Doc 4: Li's father, billionaire Li Ka-shing, in May named elder son Victor Li his formal successor but also pledged to continue to back the younger
Doc 5: Younger son of tycoon Li Ka-shing rubbed shoulders with elites on weekend in nation's capital, but observer says Beijing sees him as separate to