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.

Example Input: Stuart Parker (footballer) once played for Stockport County FC.
Example Output: Stuart Parker (footballer)

Example Input: Asherton, Texas is part of Dimmit County, Texas.
Example Output: Asherton, Texas

Example Input: London Heathrow handled 828 thousand passangers.
Example Output:
London Heathrow