TASK DEFINITION: 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.
PROBLEM: As soon as I give you the signal, we need the raids for all of the targets to be synchronised.

SOLUTION: Plural

PROBLEM: The sea monster spat the water noisily into the pool.

SOLUTION: Singular

PROBLEM: In fairy tales - which were almost always true - wicked witches proffered apples with evil intent.

SOLUTION:
Plural