Knox joined the "extramural" Anatomy class of the famous John Barclay.

Entity and relation annotations:
id: 0
type: entity
value: text: Knox
labels: <Person>
id: 1
type: entity
value: text: John Barclay
labels: <Person>
id: 2
type: entity
value: text: the "extramural" Anatomy class
labels: <Work_of_art>
type: relation
to_id: 2
labels: Person:creates:Work_of_art
from_id: 1