TASK DEFINITION: In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
PROBLEM: Or should I say swims in ? "

SOLUTION: Plural

PROBLEM: He spread her thighs and surged over her and with one, fierce, beautiful, fluid movement he filled her.

SOLUTION: Plural

PROBLEM: He muffled a groan, turned and forced a smile.

SOLUTION:
Singular