At the outbreak of the Spanish-American War, "Marblehead" was at Key West, Florida.

Entity and relation annotations:
id: 0
type: entity
value: text: the Spanish-American War
labels: <Event>
id: 1
type: entity
value: text: Key West
labels: <Location>
id: 2
type: entity
value: text: Florida
labels: <Location>
id: 3
type: entity
value: text: "Marblehead"
labels: <Person>
type: relation
to_id: 2
labels: Location:located_in:Location
from_id: 1
type: relation
to_id: 1
labels: Person:visits:Location
from_id: 3