instruction:
In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
question:
He grinned, a sudden whiteness in the dark.
answer:
Plural


question:
He gave another unimpressed snort.
answer:
Singular


question:
Overhead the storm clouds were gathering, a dark ominous portent of things to come.
answer:

Plural