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: "where does the most expensive coffee bean come from?" whose answer is kopi luwak.
Each document should contain about 30 words, and these documents should contain useful information.

Query: most expensive coffee bean origin
Useful Output:

Doc 1: These coffee beans are more commonly known as Kape Alamid in the Philippines. Our Alamid ng Mount Apo is harvested from the rich grounds of Mt. Apo in the Davao
Doc 2: Blue Mountain coffee is among the world's most expensive coffee beans, priced up to $320 USD per kilogram.  We source single origin coffee
Doc 3: Indonesia Kopi Luwak ($160/lb). Kopi Luwak coffee beans are produced in Indonesia by feeding coffee cherries to civet cats, who are naturally
Doc 4: Kopi Luwak is an Indonesian coffee that is one of the world's most expensive due to its unique processing method involving Asian Palm
Doc 5: Have you ever heard of the most expensive coffee in the world? It's civet coffee, created through an unbelievable process!