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: The prognosis does not look good. "

SOLUTION: Singular

PROBLEM: Her yard boasted a variety of vegetation, much of it native to the area like cactus, chaparral, yucca, and sage.

SOLUTION: Singular

PROBLEM: Sure enough, there was the telltale blush spreading up from her neck like a flame.

SOLUTION:
Singular