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 14th New Jersey Volunteer Infantry Monument is owned by the National Park Service.

Ex Output:
14th New Jersey Volunteer Infantry Monument


Ex Input:
The Lincoln Cathedral is 159.7m (524 ft) tall.

Ex Output:
Lincoln Cathedral


Ex Input:
The runway length of Al Asad Airbase is 3078.48.

Ex Output:

Al Asad Airbase