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.

Q: Kids and teachers swarmed the area like a bunk of flies to a Bar-B-Q.

A: Plural
****
Q: The email, as it was open and apparently unfinished, could have easily been a clue as to the whereabouts of General White and his family.

A: Singular
****
Q: The investigator you apprenticed under.

A:
Singular
****