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.

Ex Input:
The runway name of Appleton International Airport is 3/21.

Ex Output:
Appleton International Airport


Ex Input:
JJC Racing's crew chief is Dan Kolanda

Ex Output:
JJC Racing


Ex Input:
African Americans are an ethnic group in the United States.

Ex Output:

United States