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.
--------
Question: The monitor's beeping dove from a constant beep to deep electronic thuds.

Answer: Singular


Question: The demon leader turned to Z. " Are you fighting with us ? "

Answer: Singular


Question: The back yard was essentially a long sweeping lawn with pockets of ruddy sand dunes and rocks running into the wild ocean.

Answer:
Singular