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:
With a flounce of her skirts, the maid disappeared.
answer:
Singular


question:
Their footsteps rang out on the concrete floor.
answer:
Plural


question:
Clearly, the landlord was having trouble believing this story.
answer:

Singular