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.

Plans, ideas, were racing through his head.
Plural

The tail rushed by and a loud thud followed.
Singular

The golden gates gleamed, even in the dim light of the murky day they shined from the hours spent polishing them.

Plural