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: In desperation the sliver thrust out a spear of malevolence into its nearest thrall.
Example Output: Singular

Example Input: " How are your butterflies ? "
Example Output:
Plural