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:
The green LED on the bottom right of the screen turned red.
answer:
Singular


question:
Their neighbor said she saw a man pull into the driveway, retrieve the shears from the lawn and drive away.
answer:
Singular


question:
" Those aliens attacked us, and earth was destroyed because of what they did.
answer:

Plural