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.

Q: Love fortified her weakness.

A: Singular
****
Q: The man-made chemical polonium leaks from the engines by tiny droplets.

A: Singular
****
Q: My mattress caved in from the pressure of his knee, and I squeezed my legs together.

A:
Plural
****