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 database, he believes, has not physically disappeared as first thought.
Example Output: Singular

Example Input: The shadowy grotto had disappeared.
Example Output: Singular

Example Input: An itch started right between his eyes, as if he'd been targeted by a certain Super Nun's laser look.
Example Output:
Singular