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: His thrusts slowed down to an unbearably slow pace.

SOLUTION: Plural

PROBLEM: Finally the credits rolled on the screen.

SOLUTION: Plural

PROBLEM: The leader straightened to give Dante a murderous glare.

SOLUTION:
Singular