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


[Q]: Lena's posture improved as she spoke.
[A]: Singular


[Q]: The dusk had since ripened to a thick blackness.
[A]:
Singular