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 title of the episode watched by 3.2 million viewers is "driving tori crazy.

Ex Output:
driving tori crazy


Ex Input:
Cortex assembly for genome and date

Ex Output:
Cortex


Ex Input:
French is the official language of Belgium.

Ex Output:

Belgium