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: Heather's attempts at getting him to listen never worked.

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: From workplace meetings and city centre assemblies and world-wide television networks.

SOLUTION:
Plural