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 Q]: The newcomer turned to us.
[EX A]: Singular

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

[EX Q]: The elves have always come to our aid in the past but when we signaled for them, they did not come.
[EX A]:
Plural