TASK DEFINITION: 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.
PROBLEM: The English version of Mariusz Szczygieł book is Gottland.

SOLUTION: Gottland

PROBLEM: Asherton, Texas is part of the United States.

SOLUTION: Asherton, Texas

PROBLEM: The novel Annie Dunne is followed by A Long Long Way.

SOLUTION:
Annie Dunne