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:
Her aura, which moments before was clear and bright, was suddenly cloudy with a burst of mustard color.
answer:
Singular


question:
" Twenty pairs of leather boots ?
answer:
Plural


question:
The burly secretary ushered in the waiters.
answer:

Singular