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 Input:
mae west (august 17, 1893 november 22, 1980) was an american actress and movie star.

Ex Output:
mae west

Ex Input:
the canton of bellerive-sur-allier is an administrative division of the allier department in central france.

Ex Output:
canton of bellerive-sur-allier

Ex Input:
the count of soissons (french: "comte de soissons") was a member of the french court when the country was still a monarchy.

Ex Output:
count of soissons