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 tiles merged into the lawn.

SOLUTION: Plural

PROBLEM: Americus moved over to the tall chimney.

SOLUTION: Plural

PROBLEM: Again more shocked murmurs echoed throughout the room.

SOLUTION:
Plural