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.

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

[Q]: bernhard rensch (21 january 19004 april 1990) was a german evolutionary biologist, and ornithologist who did field work in indonesia and india.
[A]: bernhard rensch

[Q]: for the etruscan god, see ani" ani (, latin: abnicum) is a ruined and uninhabited medieval city-site in turkey.
[A]:
ani