Song was relieved from his post but reinstalled as commander after the Ho-Umezu agreement.

Entity and relation annotations:
id: 0
type: entity
value: text: Song
labels: <Person>
id: 1
type: entity
value: text: the Ho-Umezu agreement
labels: <Regulation>
id: 2
type: entity
value: text: commander
labels: <Title>
type: relation
to_id: 2
labels: Person:holds_title:Title
from_id: 0