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:
silliness is when a person acts like a fool, or shows a lack of good sense or judgment.

Ex Output:
silliness


Ex Input:
james b. dudley high school in the town of greensboro, north carolina, where the agricultural and technical university is located, was named after dudley because of his work for his community.

Ex Output:
james b. dudley


Ex Input:
elio berenguer úbeda, known as elio berhanyer (20 february 1929 – 24 january 2019) was a spanish fashion designer.

Ex Output:

elio berhanyer