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: Your skills are impeccable, but this program involves strict discipline.

SOLUTION: Plural

PROBLEM: Just then, the gates raised open, seeming to almost obey Max's command.

SOLUTION: Plural

PROBLEM: " When is your employer due ? "

SOLUTION:
Singular