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.

The goal of the Academy was to train children discipline, and make sure they got a top-notch education and leadership skills.
Singular

There's a mumbling from the heap.
Singular

Through all of that, the garage had maintained minimal damage.

Singular