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:
The creatures spread out, flying east, flying toward where they stood watching in dumbstruck awe.

Ex Output:
Plural


Ex Input:
Flames burned high in shades of grey and white.

Ex Output:
Plural


Ex Input:
Periodically clerks and watchmen arrived with more files and ledgers, which were solemnly received, assessed and added to the relevant pile.

Ex Output:

Plural