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]: norio yoshimizu (吉水 法生, yoshimizu norio, born august 21, 1946) is a former japanese football player.
[A]: norio yoshimizu


[Q]: valbirse is a new municipality of the administrative district of jura bernois in the canton of berne in switzerland.
[A]: valbirse


[Q]: the greater vancouver zoo is a zoo in aldergrove, british columbia, canada.
[A]:
greater vancouver zoo