Rob Portman, a fellow Bush Pioneer and chairman of Bush's campaign in Ohio.

Entity and relation annotations:
id: 0
type: entity
value: text: Rob Portman
labels: <Person>
id: 1
type: entity
value: text: Bush
labels: <Person>
id: 2
type: entity
value: text: Ohio
labels: <Location>
id: 3
type: entity
value: text: fellow Bush Pioneer
labels: <Title>
id: 4
type: entity
value: text: chairman
labels: <Title>
id: 5
type: entity
value: text: Bush
labels: <Person>
id: 6
type: entity
value: text: Bush's campaign in Ohio
labels: <Event>
type: relation
to_id: 2
labels: Event:Occurs_at:Location
from_id: 6
type: relation
to_id: 3
labels: Person:holds_title:Title
from_id: 0
type: relation
to_id: 4
labels: Person:holds_title:Title
from_id: 0
type: relation
to_id: 6
labels: Person:participates_in:Event
from_id: 0