instruction:
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:
nellie paulina burgin (july 14, 1930 – september 20, 2014), better known by her stage name polly bergen, was an american actress, singer, television host, and businesswoman.
answer:
polly bergen


question:
the iraq national under-23 football team are a team who play association football for iraq at the under-23 level.
answer:
iraq national under-23 football team


question:
edubuntu is the version of linux distribution ubuntu.
answer:

edubuntu