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: Lena's posture improved as she spoke.

SOLUTION: Singular

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

SOLUTION: Singular

PROBLEM: And if that happened, the divorce and life after Amber would be twice as difficult.

SOLUTION:
Singular