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: An old-school fuel gauge on the handlebars informed him that he had half a tank of petrol.

A: Singular
****
Q: Red taillights suddenly pierced the darkness, and a black, full-size SUV pealed away from the curb.

A: Plural
****
Q: The stench of dead wet smoke lingered along the trail even though there were no actual clouds of smoke in sight.

A:
Singular
****