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: A flat screen television fitted snugly into the upper left corner wall.

Answer: Singular


Question: Her spine straightened until the woolen blanket fell from her shoulders.

Answer: Singular


Question: A young waitress moved her bare legs quickly across the lobby, the heavily embroidered bra was visible behind the white shirt.

Answer:
Singular