Generate a topic word for the given sentence. A topic word is usually the name of a person, place, animal, concept or object the sentence is focusing on.
--------
Question: a nature reserve (preserve or (national/nature) conserve) is a protected area.

Answer: nature reserve


Question: the beethoven house (german: beethoven-haus) in bonn, germany, is a memorial site, museum and cultural institution serving various purposes.

Answer: beethoven house


Question: linghem is a commune.

Answer:
linghem