Adams served in the Union Army during the American Civil War.

Entity and relation annotations:
id: 0
type: entity
value: text: the American Civil War
labels: <Event>
id: 1
type: entity
value: text: the Union Army
labels: <Organization>
id: 2
type: entity
value: text: Adams
labels: <Person>
type: relation
to_id: 1
labels: Person:belongs_to_NORP:Organization
from_id: 2
type: relation
to_id: 0
labels: Person:participates_in:Event
from_id: 2
type: relation
to_id: 0
labels: Organization:Engagement:Event
from_id: 1