TASK DEFINITION: In this task you are given a sentence. You must judge whether subject of the main clause is singular or plural. Label the instances as "Singular" or "Plural" based on your judgment.
PROBLEM: After what seemed an age, the actor sat up.

SOLUTION: Singular

PROBLEM: The vendor reached to take the bundle of maize back from her.

SOLUTION: Singular

PROBLEM: Jazz stopped at the low counter on the other side of the barrier from them.

SOLUTION:
Singular