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.

For the most part, all the classes I'd held had gone well.
Plural

Nausea simmered in my gut.
Singular

There is an entry hatch on the top of the vessel on the far starboard side, or south of where Ike dropped us off.

Singular