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: We explained her location and a few ground rules.

SOLUTION: Singular

PROBLEM: He ran his palms along my thighs, then back to my knees, his thumbs grazing the insides.

SOLUTION: Plural

PROBLEM: Some of the rooms had lab equipment and chemicals and one room had an incinerator that Susan claimed was used for cremation of animal remains.

SOLUTION:
Singular