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 length of the first runway at Ashgabat International Airport is 12467 feet.

Ex Output:
Ashgabat International Airport


Ex Input:
The ISBN number of Aenir is 0-439-17684-0.

Ex Output:
Aenir


Ex Input:
Einar Liberg place is number one,.

Ex Output:

Einar Liberg