This task is about identifying the subject of a given sentence. The subject of a sentence is the person, place, or thing that is performing the action of the sentence. The subject represents what or whom the sentence is about. Each sentence in this task is guaranteed to contain a single subject. The input is a sentence and the output is the identified subject of that sentence.

Example Input: Alpena County Regional Airport city served Alpena, Michigan.
Example Output: Alpena County Regional Airport

Example Input: @ l.a. lakers played in game 20.
Example Output: 20

Example Input: The main language spoken on Alderney is English.
Example Output:
Alderney