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: " Some kind of criminal, I guess, " scoffed the sergeant.

SOLUTION: Singular

PROBLEM: A little bothered, Zane slid his empty sandwich wrapper in his bag and stood up, pacing away to the edge of the clearing.

SOLUTION: Singular

PROBLEM: The last sentence came from Tara, her breathing picking up in pace as she anticipated what I was about to do.

SOLUTION:
Singular