Dean Close is a member of the Headmasters' and Headmistresses' Conference.

Entity and relation annotations:
id: 0
type: entity
value: text: Dean Close
labels: <Person>
id: 1
type: entity
value: text: the Headmasters' and Headmistresses' Conference
labels: <Organization>
id: 2
type: entity
value: text: member
labels: <Title>
type: relation
to_id: 1
labels: Person:affiliated_with:Organization
from_id: 0
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0
type: relation
to_id: 2
labels: Organization:Establishes:Title
from_id: 1