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: Lena's posture improved as she spoke.

A: Singular
****
Q: If he spun the wheel, the metal bars would shift inward a few inches, clearing the welded braces on both sides of the door.

A: Plural
****
Q: Goss wanted to know.

A:
Plural
****