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:
The quiet but firm command stilled her fingers.
answer:
Singular


question:
Red taillights suddenly pierced the darkness, and a black, full-size SUV pealed away from the curb.
answer:
Plural


question:
The investigator was a retired cop shared by most of the city's law firms.
answer:

Singular