The "T" line to Coolidge Corner existed when the Kennedys were living in Brookline.

Entity and relation annotations:
id: 0
type: entity
value: text: Brookline
labels: <Location>
id: 1
type: entity
value: text: the Kennedys
labels: <Organization>
id: 2
type: entity
value: text: Coolidge Corner
labels: <Location>
id: 3
type: entity
value: text: The "T" line
labels: <Production>
type: relation
to_id: 0
labels: Organization:located_in:Location
from_id: 1