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: "Which airline does the China National Aviation Holding Company support?" whose answer is Air Macau.
Each document should contain about 30 words, and these documents should contain useful information.

Query: China National Aviation Holding Company airlines
Useful Output:

Doc 1: Three Chinese Aviation Giants Added to U.S. Blacklist - Comac, China National Aviation and Grand China Air cited for alleged military links,
Doc 2: The company is currently the only airline having flag carriers. It has seven direct affiliated enterprises and more than 130 third-tier
Doc 3: Air China Limited intends to issue up to 854,700,854 new A-Class Shares to China National Aviation Holding (CNAHC), a Chinese state-owned
Doc 4: Air China is the flag carrier of China and one of the three biggest mainland Chinese airlines. The company offers passenger and cargo flights and other airline
Doc 5: The Company provides air passenger transportation, cargo transportation, aircraft maintenance, air catering, logistics, and other services. China National