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.

Those banks generally don't carry as much cash, but they usually don't have as many security guards, either. "
Plural

Washoe's progress with ASL was rapid ; by 1971, she had a vocabulary of 160 signs, which she used in conversation.
Singular

An icon spun on the screen, indicating it was verifying my password.

Singular