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.

Input: Consider Input: Their footsteps rang out on the concrete floor.

Output: Plural


Input: Consider Input: Terror seized him at the thought of Nadia out there on the water alone - No.

Output: Singular


Input: Consider Input: His ancestors had been keen on pyramids.


Output: Plural