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.

Q: The planes were overhead.

A: Plural
****
Q: A heavy gloom fell over Reuben.

A: Singular
****
Q: His body language changed and his tone became a defensive one, " Whatever.

A:
Singular
****