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: What are the chances the link will hold ? "

SOLUTION: Plural

PROBLEM: My instincts rarely proved wrong.

SOLUTION: Plural

PROBLEM: With the constant supply of sliced bread coming over the railing, alligators lined up like boats along a dock, on both sides of the boardwalk.

SOLUTION:
Plural