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 International Covenant on Economic, Social and Cultural Rights was signed in 1977.

Ex Output:
International Covenant on Economic, Social and Cultural Rights


Ex Input:
Accademia di Architettura di Mendrisio is located in the city of Mendrisio.

Ex Output:
Accademia di Architettura di Mendrisio


Ex Input:
Sour cream is an ingredient of Bionico.

Ex Output:

Bionico