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 runway name of Appleton International Airport is 3/21.

Ex Output:
Appleton International Airport


Ex Input:
A Wizard of Mars is available in print form.

Ex Output:
A Wizard of Mars


Ex Input:
Hydroxyethyl methyl cellulose is cold water soluble.

Ex Output:

Hydroxyethyl methyl cellulose