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.

The determination in his voice made me stare at him.
Singular

My inquiries took me to Los Angeles where I ran into a stonewall put up by Lorraine's psychiatrist.
Plural

The hibernation protected the family in the well chosen den.

Singular