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: " If we screw it up, we' l definitely take you up on the offer. "

Output: Singular

Input: Consider Input: His concentration since Iseo left Compostela fell completely to his training.

Output: Singular

Input: Consider Input: Their explanation calmed El Rey, but he remained doubtful and with many questions.
Output: Singular