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: The wraith continued straight toward her holding out the silhouette of a fork in one hand.

SOLUTION: Singular

PROBLEM: Ten cases stood behind the barrel.

SOLUTION: Plural

PROBLEM: His nostrils worked ; he could smell the bit of beef in my hand.

SOLUTION:
Plural