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: warluzel is a commune.

Output: warluzel


Input: Consider Input: the somatic nervous system (sns) is part of the peripheral nervous system.

Output: somatic nervous system


Input: Consider Input: narcissism is a condition in which a person admires their own attributes through vanity or egotism.


Output: narcissism