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 dragon lay staked and tethered, a dozen paces away.

SOLUTION: Singular

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

SOLUTION: Plural

PROBLEM: All the cameras were in continuous operation, and there were cameras everywhere.

SOLUTION:
Plural