instruction:
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.
question:
The man-made chemical polonium leaks from the engines by tiny droplets.
answer:
Singular


question:
He stepped close to her, reached around her to cup the fullness of her breasts in his palms.
answer:
Plural


question:
The choir chanted ancient Russian prayers, clear voices soaring to faraway ceilings in rhythms and tones that humans could never attain, would never hear.
answer:

Singular