Please send a letter to Tim Buck the General Secretary of Canadian Communist Party.

Entity and relation annotations:
id: 0
type: entity
value: text: Tim Buck
labels: <Person>
id: 1
type: entity
value: text: the General Secretary
labels: <Title>
id: 2
type: entity
value: text: Canadian Communist Party
labels: <Organization>
type: relation
to_id: 1
labels: Organization:Establishes:Title
from_id: 2
type: relation
to_id: 1
labels: Person:holds_title:Title
from_id: 0