In this task you are given a sentence. You must judge whether the object of the main clause is singular(like: apple) or plural(like: apartments). Label the instances as "Singular" or "Plural" based on your judgment.
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Question: The phrase sounded strangely innocuous in her gentle, faraway tone.

Answer: Plural


Question: He has increased the efficiency of the Legions remarkably.

Answer: Singular


Question: A plume of blood and concrete filled the stairwell.

Answer:
Singular