The series between Kansas and Kansas State is known as the Sunflower Showdown.

Entity and relation annotations:
id: 0
type: entity
value: text: Kansas
labels: <Location>
id: 1
type: entity
value: text: Kansas State
labels: <Organization>
id: 2
type: entity
value: text: Kansas
labels: <Location>
id: 3
type: entity
value: text: the Sunflower Showdown
labels: <Event>
type: relation
to_id: 2
labels: Organization:located_in:Location
from_id: 1
type: relation
to_id: 0
labels: Event:Occurs_at:Location
from_id: 3
type: relation
to_id: 3
labels: Organization:Engagement:Event
from_id: 1