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.

Input: Consider Input: vitoria-gasteiz is the basque country capital.

Output: vitoria-gasteiz


Input: Consider Input: hiromasa yamamoto (山本浩正, yamamoto hiromasa, born 5 june 1979) is a japanese professional athlete.

Output: hiromasa yamamoto


Input: Consider Input: serie d is the top level of the non-professional football clubs in italy.


Output: serie d