TASK DEFINITION: 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.
PROBLEM: " The mayor of Perimeter 1 loved the product and he has given us his signature in support. "

SOLUTION: Singular

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

SOLUTION: Singular

PROBLEM: Part of me wanted to go over to my bag, grab the crown, and throw it off into night, never to be seen again.

SOLUTION:
Singular