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: Weymouth Sands' author was John Cowper Powys.

SOLUTION: Weymouth Sands

PROBLEM: The length of the first runway at Ashgabat International Airport is 12467 feet.

SOLUTION: Ashgabat International Airport

PROBLEM: Carrie Lam is a political leader in Hong Kong.

SOLUTION:
Hong Kong