Gates attends the University of Notre Dame, and Marco attends the Groton School.

Entity and relation annotations:
id: 0
type: entity
value: text: Gates
labels: <Person>
id: 1
type: entity
value: text: the University of Notre Dame
labels: <Organization>
id: 2
type: entity
value: text: Marco
labels: <Person>
id: 3
type: entity
value: text: the Groton School
labels: <Organization>
type: relation
to_id: 1
labels: Person:affiliated_with:Organization
from_id: 0
type: relation
to_id: 3
labels: Person:affiliated_with:Organization
from_id: 2