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


question:
Her prayers about him taking a turn for the worse must have come true.
answer:
Plural


question:
Reyes didn't move, just shifted the direction of his gaze.
answer:

Plural