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: The hunger inside me swallowed him in.

SOLUTION: Singular

PROBLEM: His thrusts slowed down to an unbearably slow pace.

SOLUTION: Plural

PROBLEM: The creatures spread out, flying east, flying toward where they stood watching in dumbstruck awe.

SOLUTION:
Plural