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.

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

A: Singular
****
Q: My higher functions offer splendid regulation of my aqueous economy.

A: Plural
****
Q: When I wake in the morning, the sunshine is cheerful, but I'm not.

A:
Singular
****