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 figures then turned away and sank into the ground, leaving the Vault void of anything save the great sarcophagus and its surrounding statues.

SOLUTION: Plural

PROBLEM: But facts were facts, and the numbers were screaming X all the way.

SOLUTION: Plural

PROBLEM: The chances of Kilmer possessing a bona fide forensics expert were less than the possibility of my morphing into a six-foot supermodel.

SOLUTION:
Plural