TASK DEFINITION: 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.
PROBLEM: laurie cunningham is a former football player.

SOLUTION: laurie cunningham

PROBLEM: 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.

SOLUTION: polly bergen

PROBLEM: a dipole speaker is a type of a loudspeaker.

SOLUTION:
dipole speaker