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.

[EX Q]: valbirse is a new municipality of the administrative district of jura bernois in the canton of berne in switzerland.
[EX A]: valbirse

[EX Q]: rsgc1 is a massive young open star cluster in the milky way galaxy.
[EX A]: rsgc1

[EX Q]: louis meyers (1955 or 1956 – march 11, 2016) was a american festival organizer and co-founder of south by southwest.
[EX A]:
louis meyers