Broadback Island is a part of the Ohio River Islands National Wildlife Refuge.

Entity and relation annotations:
id: 0
type: entity
value: text: Broadback Island
labels: <Location>
id: 1
type: entity
value: text: the Ohio River Islands National Wildlife Refuge
labels: <Location>
id: 2
type: entity
value: text: the Ohio River
labels: <Location>
id: 3
type: entity
value: text: Ohio
labels: <Location>
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 0
type: relation
to_id: 2
labels: Location:located_in:Location
from_id: 1
type: relation
to_id: 3
labels: Location:located_in:Location
from_id: 2