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: His suggested targets were dangerous people that had escaped punishment.

SOLUTION: Plural

PROBLEM: His caresses were like soft wisps of cool air on a warm summer day.

SOLUTION:
Plural