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:
What if the authorities hadn't bought the story ?
answer:
Plural


question:
The marine layer was far off the coast, giving the sun the opportunity to shine and the temperature to reach the high seventies.
answer:
Singular


question:
The letters never explained anything ; it was a way to stop the madness and a way to increase it.
answer:

Plural