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: One of the ethnic groups of the United States are the African Americans.

SOLUTION: United States

PROBLEM: The main ingredients in Bhajji are gram flour and vegetables.

SOLUTION: Bhajji

PROBLEM: The book "A Fortress of Grey Ice" can be found in print.

SOLUTION:
A Fortress of Grey Ice