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.

Ex Input:
Sentinels guarding the armory are unresponsive. "

Ex Output:
Plural

Ex Input:
" How are your cousins doing ? "

Ex Output:
Plural

Ex Input:
The pulse reached maximum intensity as the particles were combined and the first subatomic particles were released.

Ex Output:
Singular