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: Nope, this birthday was about something even sweeter.

Answer: Singular


Question: " Perhaps international intrigue has its uses, after all. "

Answer: Singular


Question: The species must survive, after all.

Answer:
Plural