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: The center Elder finished what sounded like an ancient proverb.

SOLUTION: Singular

PROBLEM: " His drinks that is, " she added.

SOLUTION: Plural

PROBLEM: Can a conflict of convictions cause a conflict of interest ?

SOLUTION:
Singular