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.
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Question: A heavy gloom fell over Reuben.

Answer: Singular


Question: Her eyelids flutter and a small smile tilts the corners of her mouth upward.

Answer: Singular


Question: Silk's daggers were already doing their deadly work.

Answer:
Plural