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: " Fifty packets, " Kowalski called from the bed.

A: Plural
****
Q: Ten cases stood behind the barrel.

A: Plural
****
Q: This whole stairwell feels like it could fall apart any second. "

A:
Singular
****