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: Our honeymoon gave us something we weren't expecting.

SOLUTION: Singular

PROBLEM: The festival would last a full day and night before ending -- loud enough to hear even through the thick walls of our house.

SOLUTION: Singular

PROBLEM: In a heartbeat, his best mate surged to his feet and managed to lay one attacker low with a belt to the chin.

SOLUTION:
Singular