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: Part of it is because you are, simply put, really great at what you do..

SOLUTION: Singular

PROBLEM: Their shared orgasm left them spent and still connected, hugging each other while their breathing slowly returned to normal.

SOLUTION: Singular

PROBLEM: After a short pause, his uncle replied : " Yes.

SOLUTION:
Singular