When Yucaipa acquired Ralphs, the Boys brand disappeared.

Entity and relation annotations:
id: 0
type: entity
value: text: Yucaipa
labels: <Organization>
id: 1
type: entity
value: text: Ralphs
labels: <Organization>
id: 2
type: entity
value: text: Boys
labels: <Organization>
type: relation
to_id: 0
labels: Organization:is_subordinate_to:Organization
from_id: 1