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: Flames burned high in shades of grey and white.
Example Output: Plural

Example Input: Strangely, their full garb that was perfectly natural in 1831 also seemed natural for standing in the middle of Schuylkill River Park.
Example Output: Singular

Example Input: The wolves halted their forward progression, lifting their heads in unison, scenting the new threat.
Example Output:
Plural