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: børge rosenbaum (3 january 1909 – 23 december 2000), known professionally as victor borge , was a danish-american comedian, conductor, and pianist.

Output: victor borge


Input: Consider Input: a brinicle is a column of ice that forms in seawater.

Output: brinicle


Input: Consider Input: a detritivore (also known as decomposers) is an animal that feeds on dead organisms (living things) and breaks them down into smaller molecules.


Output: detritivore