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: ' They have been concentrating their efforts on building up forces in preparation for D-Day, which didn't happen.

Answer: Plural


Question: First came a location.

Answer: Singular


Question: Just some bruised ribs. "

Answer:
Plural