Zucchi maintained correspondence with Kepler after returning to Rome.

Entity and relation annotations:
id: 0
type: entity
value: text: Rome
labels: <Location>
id: 1
type: entity
value: text: Kepler
labels: <Person>
id: 2
type: entity
value: text: Zucchi
labels: <Person>
type: relation
to_id: 0
labels: Person:visits:Location
from_id: 2