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: Arròs negre is a traditional dish from Spain.
Example Output: Arròs negre

Example Input: Renate Culmberger finished 2nd in the 1964 Summer Olympics.
Example Output: Renate Culmberger

Example Input: The leader of the United States is known as the President of the United States.
Example Output:
United States