Mowbray was one of thirteen Australian participants in the Round Square Conference of Schools.

Entity and relation annotations:
id: 0
type: entity
value: text: Mowbray
labels: <Person>
id: 1
type: entity
value: text: the Round Square Conference of Schools
labels: <Event>
type: relation
to_id: 1
labels: Person:participates_in:Event
from_id: 0