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: a private prison is a prison run by a private company instead of the government.

Output: private prison


Input: Consider Input: faber drive is a juno award nominated band from canada.

Output: faber drive


Input: Consider Input: affringues is a commune.


Output: affringues