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: I can't float it up now, the turbulence up there must be terrific !'

SOLUTION: Singular

PROBLEM: Except this time, the images were not just from his life, but from the lives of countless others.

SOLUTION: Plural

PROBLEM: After all, motorcycle gangs had a bad reputation when it came to women.

SOLUTION:
Plural