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


question:
At night he could sense millions of stars sparkling in pure infinite space.
answer:
Plural


question:
What harm could there possibly be in giving it a shot ?
answer:

Singular