It was based on a short story, "Christmas Every Day" by William Dean Howells.

Entity and relation annotations:
id: 0
type: entity
value: text: "Christmas Every Day"
labels: <Work_of_art>
id: 1
type: entity
value: text: William Dean Howells
labels: <Person>
type: relation
to_id: 0
labels: Person:creates:Work_of_art
from_id: 1