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.

[EX Q]: Ahead of the ship, the relatively calm seas were washing against slate grey rocks that rose seven or eight feet up out of the waters.
[EX A]: Plural

[EX Q]: Things were going badly.
[EX A]: Plural

[EX Q]: When they had entered the colonel shot the locking iron bolt and stood with his back to the door.
[EX A]:
Singular