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.

[EX Q]: someo is a village and former municipality of the district of vallemaggia in the canton of ticino in switzerland.
[EX A]: someo

[EX Q]: yoshikazu goto (後藤 義一, goto yoshikazu, born february 20, 1964) is a japanese professional athlete.
[EX A]: yoshikazu goto

[EX Q]: a prime minister manages the politics of a country.
[EX A]:
prime minister