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 human race needs things inventing constantly in order to evolve.
answer:
Singular

question:
The blond captain backed up and took Anna's hand, and he pulled her down the corridor to the left.
answer:
Singular

question:
The arrival of the ancient ones in the last group was merely another test.
answer:
Singular