Graham Land is the closest part of Antarctica to South America.

Entity and relation annotations:
id: 0
type: entity
value: text: Graham Land
labels: <Location>
id: 1
type: entity
value: text: Antarctica
labels: <Location>
id: 2
type: entity
value: text: South America
labels: <Location>
id: 3
type: entity
value: text: America
labels: <Location>
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 0
type: relation
to_id: 2
labels: Location:Adjacent:Location
from_id: 0
type: relation
to_id: 3
labels: Location:located_in:Location
from_id: 2