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.

[Q]: chumbawamba were a british alternative rock group.
[A]: chumbawamba


[Q]: regent's canal is a canal in england.
[A]: regent's canal


[Q]: sophie lowe (born 5 june 1990) is an english-born australian actress and singer-songwriter.
[A]:
sophie lowe