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: The slow caresses that were intended to warm and stir his sleeping beauty increased to a frantic diagnostic check.

SOLUTION: Plural

PROBLEM: The cockpit rocked again, throwing him against his harness.

SOLUTION: Singular

PROBLEM: " This medication is not fatal.

SOLUTION:
Singular