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.

[Q]: She grabbed her backpack -- just in case she found time to finish her trigonometry homework on her dinner break -- and left the apartment.
[A]: Singular


[Q]: They would surely leave marks.
[A]: Plural


[Q]: This piece of rock only had two metals.
[A]:
Plural