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: The shadowy grotto had disappeared.

Answer: Singular


Question: Three hundred acres, that's a big place, lots of places to get lost.

Answer: Plural


Question: The bullet exited the barrel breaking the sound barrier whilst spiralling towards its target.

Answer:
Singular