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: Amatriciana sauce comes from the region of Lazio.
Example Output: Amatriciana sauce

Example Input: In Mexico one of the languages spoken is Mexican Spanish.
Example Output: Mexico

Example Input: Anaheim, California is in the U.S.
Example Output:
Anaheim, California