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: the boeing international headquarters (colloquially known as the boeing building and formerly known as the morton international building) is a 36-floor skyscraper located in the near west side of chicago.

Output: boeing international headquarters


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: goldhanger is a village and civil parish in maldon district, essex, england.


Output: goldhanger