Gypsum is the home of an American Gypsum drywall plant and mine.

Entity and relation annotations:
id: 0
type: entity
value: text: American Gypsum drywall plant
labels: <Organization>
id: 1
type: entity
value: text: Gypsum
labels: <Location>
type: relation
to_id: 1
labels: Organization:located_in:Location
from_id: 0