Northwest Airlines began running Ford Trimotors to Rochester from its hub in Saint Paul.

Entity and relation annotations:
id: 0
type: entity
value: text: Northwest Airlines
labels: <Organization>
id: 1
type: entity
value: text: Rochester
labels: <Location>
id: 2
type: entity
value: text: Saint Paul
labels: <Location>
id: 3
type: entity
value: text: Ford Trimotors
labels: <Production>
type: relation
to_id: 3
labels: Organization:develops/produces/sells:Production
from_id: 0