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: Tap, tap, tap and the red slash once again consumed the screen.

SOLUTION: Singular

PROBLEM: The tip of a branch must have slicked straight through to his gums.

SOLUTION: Singular

PROBLEM: Two pairs of filthy, crazed eyes faced me.

SOLUTION:
Plural