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: My sneakers let off an admittedly adorable perky sound as I marched back over to the sidelines.

SOLUTION: Plural

PROBLEM: Muscles rippled beneath warm gold skin, and his ice-cold eyes were bleak and dark, holding too many secrets.

SOLUTION: Plural

PROBLEM: There are no signs of life except for us and the boy at the statue.

SOLUTION:
Plural