TASK DEFINITION: In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
PROBLEM: I set up the numbers of the power cards I had been able to buy, in such a way that they constitute the next nine twitches.

SOLUTION: Plural

PROBLEM: Andres drew labored, irregular breaths.

SOLUTION: Plural

PROBLEM: Before Gray could respond to the new danger, he heard the blast of a pistol.

SOLUTION:
Singular