TASK DEFINITION: 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.
PROBLEM: Thinking of it made Elaina snort -- as if he had any choice !

SOLUTION: Singular

PROBLEM: A flat screen television fitted snugly into the upper left corner wall.

SOLUTION: Singular

PROBLEM: The two small hills are under a kilometer from the landing site.

SOLUTION:
Plural