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: "the longest word in english has 189 819 letters?" whose answer is Methionylthreonylthreonylglutaminylalanyl...isoleucine.
Each document should contain about 30 words, and these documents should contain useful information.

Query: the longest word in english has 189 819 letters
Useful Output:

Doc 1: An English word of 189, 819 letters. The longest word in the world is the English term: "methionylthreonylthreonyl()isoleucine". This term,
Doc 2: All told, the full chemical name for the human protein titin is 189,819 letters, and takes about three-and-a-half hours to pronounce. The
Doc 3: Pneumonoultramicroscopicsilicovolcanoconiosis is one of the longest words in the English language, this 45-letter word is a lung disease caused
Doc 4: isoleucine (189, 819 letters). Edmond Siu. 1.96K subscribers. Longest English Word Pronounced. Edmond Siu. Search. Info.
Doc 5: Wisc-Online.com is a repository of high-quality educational learning materials FREE to learners and educators.