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: " Ah, learning a foreign language can be so very difficult.

SOLUTION: Singular

PROBLEM: But then, wickedness of any kind caused a separation with the Most High.

SOLUTION:
Plural