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.

boyz ii men is an american boy band from philadelphia, pennsylvania.
boyz ii men

valbirse is a new municipality of the administrative district of jura bernois in the canton of berne in switzerland.
valbirse

peride celal yönsel (june 10, 1916 – june 15, 2013), commonly known as peride celal or peride celâl was a turkish novelist and story-writer.

peride celal