Final answer:
Beowulf is a work of fiction that incorporates elements from Christianity and Germanic mythology, demonstrating how stories can reflect cultural transitions and interplays between different worldviews.
Step-by-step explanation:
Beowulf is an example of a work of fiction (option 3). This epic poem is notable for blending narrative elements from Christianity and Germanic mythology, creating a rich tapestry that explores broader themes of heroism, morality, and the human condition. While it is a fictional narrative and not a religious text, philosophical treatise, or historical document per se, Beowulf does provide insight into the values and beliefs of the period in which it was produced.
The text reflects an intermingling of cultural perspectives, housing both Pagan elements and Christian symbolism. It is a prime representation of how oral traditions and stories can be committed to text, capturing the transition of a culture and its integration of new religious ideas. As a work of fiction, it provides both entertainment and moral instruction to its audience, underlining the complex interplay between storytelling and social values in historical contexts.