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.

Example Input: The challenge in his voice startled her.
Example Output: Singular

Example Input: After what seemed to be a long opening round in the beginning of a great battle, the gunmen ceased fire.
Example Output: Plural

Example Input: Questions started to pour in from different creatures as they began to over talk each other.
Example Output:
Plural