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: And, largely due to Gabe's help, the most rudimentary improvements to the farm, including the repairs to the barn, were complete.

SOLUTION: Plural

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

SOLUTION: Plural

PROBLEM: There's even a mosaic of it in Pompeii.'

SOLUTION:
Singular