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: "Eystein Haraldsson, was king of Norway from 1142 to 1157, "Øystein Haraldsson", is his name in which North Germanic language spoken mainly in Norway, where it is the official language?" whose answer is Norwegian.
Each document should contain about 30 words, and these documents should contain useful information.

Query: official language of Norway
Useful Output:

Doc 1: Summary. Norwegian is mainly spoken in Norway and is represented in writing by two written languages, Bokmål (90%) and Nynorsk (10%).
Doc 2: Yes, the language spoken in most parts of Norway is the Germanic language called Norwegian (with dialects) In Sweden you have the Elfdalian
Doc 3: Norwegian is the main official language spoken in Norway, spoken by approximately 95 percent of the population. Norwegian is a North Germanic
Doc 4: Norwegian is the official and most spoken language of Norway. The Nynorsk and Bokmål are the two written standards of Norwegian.
Doc 5: Fun facts about the Norwegian language - which is actually four dialect groups and two written standards standing on top of each other in a