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: Yelling and running footsteps suddenly exploded all around us and I jerked into a sitting position.

Answer: Plural


Question: The fights were widespread and included both high schools and colleges.

Answer: Plural


Question: The sergeant laid a hand on his sword.

Answer:
Singular