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.

Others worried it might be a move to cancel Ares 4 and 5.
Plural

" Fifty packets, " Kowalski called from the bed.
Plural

Earlier that day, The Manager had come by his office.

Singular