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: His movements, his obvious desperation, prolonged her pleasure, and when she felt his warmth flood her, she was still in bliss.

SOLUTION: Plural

PROBLEM: The valet pulled the car up and my parents helped me into the backseat of their rental car.

SOLUTION: Singular

PROBLEM: " What are the symptoms ? "

SOLUTION:
Plural