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 Library of Congress Classification of "A Glastonbury Romance" is PR6031.0867.

Ex Output:
A Glastonbury Romance


Ex Input:
The book "1634: The Galileo Affair is available in English.

Ex Output:
1634: The Galileo Affair


Ex Input:
In Hong Kong, the spoken language is Chinese.

Ex Output:

Hong Kong