TASK DEFINITION: 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.
PROBLEM: Jill Shilling stared in Bananaman.

SOLUTION: Bananaman

PROBLEM: Ayam penyet is a food found in Java.

SOLUTION: Ayam penyet

PROBLEM: The Operation Enduring Freedom is one of the battles of the United States Air Force.

SOLUTION:
United States Air Force