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: "what is the most practiced religion in south korea?" whose answer is Protestantism.
Each document should contain about 30 words, and these documents should contain useful information.

Query: most practiced religion in south korea
Useful Output:

Doc 1:  South Korea has one of the most diverse religious environments on earth. No single religion dominates, but there are strong Buddhist
Doc 2: Among all the religious denominations in South Korea, Protestantism is the most popular religion (19.7% of the population), followed by
Doc 3: I remember finding out several years ago that South Korea has a rather large Christian population, which really surprised me. I also noticed
Doc 4: South Korea Religions  Religions: Protestant 19.7%, Buddhist 15.5%, Catholic 7.9%, none 56.9% (2015 est.)  Definition: This entry is an
Doc 5: The 2 most prominent religions in South Korea is Buddhism and Christianity. Christianity was introduced in the late 18 hundreds, but it made an incredible