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: There were no little, green aliens to be seen on any of the options.

SOLUTION: Plural

PROBLEM: The greatest knight does not quest for riches or honor or fame or glory.

SOLUTION: Singular

PROBLEM: Della's nostrils flared as Grace directed a bright smile at her.

SOLUTION:
Plural