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.

An old-school fuel gauge on the handlebars informed him that he had half a tank of petrol.
Singular

Within seconds, the roar of the television reached her ears ; the rage built up inside of him now released.
Singular

The neighbor on the near side was a small, old-fashioned post office.

Singular