TASK DEFINITION: This task is about identifying the object of a given sentence. The object of a sentence is the person or thing that receives the action of the verb. It is the who or what that the subject does something to. Each sentence in this task is guaranteed to contain a single object. The input is a sentence and the output is the identified object of that sentence.
PROBLEM: Zero was produced by Lewis Parker.

SOLUTION: Lewis Parker

PROBLEM: Andrew Mitchell is the leader of Birmingham.

SOLUTION: Andrew Mitchell

PROBLEM: The name of the place where area is 578.28 square km is sackville.

SOLUTION:
578.28