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: Naturally, the trains stopped running, so he called me and asked me to give him a ride to the bus station. "

Answer: Plural


Question: My instinct is to run.

Answer: Singular


Question: These chains on our bodies were much tougher than I could have imagined.

Answer:
Plural