instruction:
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.
question:
The spaghetti straps and the slit in the leg made the dress all the more impressive.
answer:
Plural

question:
After what seemed to be a long opening round in the beginning of a great battle, the gunmen ceased fire.
answer:
Plural

question:
Classes must have still been in, because he was not hungry.
answer:
Plural