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: Just a strip of tarmac lined either side by overhanging trees.

SOLUTION: Singular

PROBLEM: The mortal was putting his life at risk to see the girl safely to Port Henry.

SOLUTION: Singular

PROBLEM: There were finely wrought plaster ceilings, and antique furniture and marble busts.

SOLUTION:
Plural