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:
Inside the box was a pencil -- a yellow, wooden pencil, with a graphite lead.
answer:
Singular


question:
Her latest release, Jumping Ship, is a dedication to her country of birth and an introductory novella to the Island Hopping Series.
answer:
Singular


question:
The screens each showed GPS maps, one for each van, the van number on the top of the screen.
answer:

Plural