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: There were two tales that were most prominent.

SOLUTION: Plural

PROBLEM: The solicitor had come in with the butler, looking ominously grave but sympathetic.

SOLUTION:
Singular