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: Both rats gave a polite nod at their name.

Answer: Plural


Question: The man-made chemical polonium leaks from the engines by tiny droplets.

Answer: Singular


Question: His unease had grown with this revelation and anger sparked in his eyes.

Answer:
Singular