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.
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Question: lee soo-young (born lee ji-yeon april 12, 1979) is a korean ballad singer.

Answer: lee soo-young


Question: douglas lawrence "doug" osowski (born january 1, 1969) mostly known as mr. lawrence or doug lawrence is an american voice, actor, comedian, writer, storyboard artist, animator, and director.

Answer: mr. lawrence


Question: the vickers machine gun (also known as the vickers gun) was a machine gun that was used by the british army from 1912 to 1968.

Answer:
vickers machine gun