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.

[Q]: The database, he believes, has not physically disappeared as first thought.
[A]: Singular


[Q]: Inside the box was a pencil -- a yellow, wooden pencil, with a graphite lead.
[A]: Singular


[Q]: The receptionist, either out of apathy or obliviousness, did not look up.
[A]:
Singular