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 both left our houses at the same time, and walked until we met up.

SOLUTION: Plural

PROBLEM: The ship stretched several city blocks, and there were more circular portholes on each level than she could count.

SOLUTION: Plural

PROBLEM: I shot Natalia a glare right back but curled up the corners of my mouth.

SOLUTION:
Singular