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:
I could make out a delicate tracery in red and gold, individual tongues of flame outlined in jagged black.
answer:
Plural


question:
The senator was a skeptic, always has been.
answer:
Singular


question:
But merely acting brave was not enough.
answer:

Plural