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: Her fingernails bit into his scalp, lighting his nerve endings on fire.

Answer: Plural


Question: I real y didn't.

Answer: Singular


Question: Instead of the usual reunion that was usually made up of a particular class, this reunion was for an age group of four years.

Answer:
Singular