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.

Others who knew him only saw the way he lied, cheated, swindled and manipulated people.
Plural

The rows of houses like headstones in a cemetery.
Plural

The air-conditioning pumping through the vent above Bart's head made him cold.

Singular