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 sleeper still slept.
Example Output: Singular

Example Input: The consultant merely raised an eyebrow.
Example Output: Singular

Example Input: The night frogs and the night birds were perfectly silent.
Example Output:
Plural