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 "Associazione Sportiva Roma S.p.A." is the non-abbreviated name of A.S. Roma.

SOLUTION: A.S. Roma

PROBLEM: Antwerp is in the country of Belgium.

SOLUTION: Antwerp

PROBLEM: Akron Summit Assault play in the 2011 PDL season.

SOLUTION:
Akron Summit Assault