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: John w. is the incumbent first elected in 1944.

SOLUTION: 1944

PROBLEM: The AIDS journal studiies HIV/AIDS.

SOLUTION: HIV/AIDS

PROBLEM: The title of the episode 21a was "volcanus erupts!.

SOLUTION:
21a