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: Of course, those initial funds were the real sticking point, until the fortuitous occurrence of Garnet's death, that is.

SOLUTION: Plural

PROBLEM: He hoped she'd stay, hoped they could explore the possibilities.

SOLUTION: Plural

PROBLEM: Flames flickered and cast shadows across the tiny room, warmed my face.

SOLUTION:
Plural