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.
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Question: The red firelight glinted in his auburn hair, and I could see he might have been attractive, even downright handsome, once.

Answer: Singular


Question: There was a limit to what you could learn when the people who raised you didn't know the truth, either.

Answer: Singular


Question: Mathematical equations, no matter how convoluted, cannot avoid following each minute step in the evolution of the scene.

Answer:
Plural