Tells of Arthur and Myrddin's attempt to create the paradisaical "Kingdom of Summer".

Entity and relation annotations:
id: 0
type: entity
value: text: Arthur
labels: <Person>
id: 1
type: entity
value: text: Myrddin
labels: <Person>
id: 2
type: entity
value: text: "Kingdom of Summer"
labels: <Location>
type: relation
to_id: 2
labels: Person:resides_at:Location
from_id: 0
type: relation
to_id: 2
labels: Person:resides_at:Location
from_id: 1