Marktown, Clayton Mark's planned worker community, is located at Indiana Harbor.

Entity and relation annotations:
id: 0
type: entity
value: text: Marktown
labels: <Location>
id: 1
type: entity
value: text: Indiana Harbor
labels: <Location>
id: 2
type: entity
value: text: Clayton Mark
labels: <Person>
type: relation
to_id: 1
labels: Location:located_in:Location
from_id: 0