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]: a private prison is a prison run by a private company instead of the government.
[EX A]: private prison

[EX Q]: sandy gandhi (born sandra aranha; 28 january 1958 – 1 february 2017) was an australian comedian and columnist.
[EX A]: sandy gandhi

[EX Q]: the university of bern (, , ) is a public university in the swiss capital of berne.
[EX A]:
university of bern