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

Output: silliness


Input: Consider Input: bradley-bourbonnais community high school (or bbchs) is a four-year public high school located in bradley, illinois, usa.

Output: bradley-bourbonnais community high school


Input: Consider Input: radwimps (also known as rad) is a japanese rock music group, that started in 2001.


Output: radwimps