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: "Rettbach (Rot) is a river of Thuringia, a federal state in the central of which country?" whose answer is Germany.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Rettbach (Rot) river Thuringia Germany
Useful Output:

Doc 1: The Rettbach flows through picturesque areas such as Kleinrettbach, Großrettbach, and Cobstädt, before merging into the Rot. It is interesting
Doc 2: +−. 300 m. 500 ft ; Thüringen, Deutschland · 5,95 km · Roth · Einzugsgebiet der Elbe.
Doc 3: Der Rettbach ist ein Nebenfluss der Roth, eines Zuflusses der Apfelstädt in Thüringen. Gemeinsam mit der Roth bildet er den Oberflächenwasserkörper Roth.
Doc 4: A list of rivers of Thuringia, Germany: Wikimedia Commons has media related to Rivers of Thuringia.  dbr:Rot_(Apfelstädt) · dbr:Rottenbach_(Ilm) · dbr  dbr:
Doc 5: Rettbach. river in Germany. In more languages. Spanish. No label defined. río de Alemania. Traditional Chinese. No label defined. No description