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 front yard was several acres long.

SOLUTION: Singular

PROBLEM: As instructed, servants laid a large pillow beside the throne, and Nolen pulled the Mage up to it.

SOLUTION: Plural

PROBLEM: A difficulty he had not expected.

SOLUTION:
Singular