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: Her aura, which moments before was clear and bright, was suddenly cloudy with a burst of mustard color.
Example Output: Singular

Example Input: There was an immense scowl on her face.
Example Output: Singular

Example Input: The spider must have gone.
Example Output:
Singular