instruction:
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.
question:
Doors littered the floor, shattered glass cracked and splintered beneath their feet.
answer:
Plural


question:
A young widow, Anne Marie had adopted the girl after volunteering at a local grade school.
answer:
Singular


question:
The edges of the stone slabs lay only feet from each ledge of the pit.
answer:

Plural