Final answer:
The theme of a work of fiction is determined by the central message or underlying meaning the author wants to convey, and can include themes such as love conquers all, the importance of friendship, and the struggle between good and evil.
Step-by-step explanation:
The most likely theme of a work of fiction is determined by the central message or underlying meaning that the author wants to convey. Some possible themes in a work of fiction could include: love conquers all, the importance of friendship, the struggle between good and evil, the power of forgiveness, or the pursuit of dreams. The theme is often revealed through the characters, plot, and symbols used within the story.