One such case is "Biondo versus City of Chicago, Illinois", from the Seventh Circuit.

Entity and relation annotations:
id: 0
type: entity
value: text: "Biondo versus City of Chicago, Illinois"
labels: <Event>
id: 1
type: entity
value: text: Biondo versus City
labels: <Location>
id: 2
type: entity
value: text: Chicago
labels: <Location>
id: 3
type: entity
value: text: Illinois
labels: <Location>
id: 4
type: entity
value: text: the Seventh Circuit
labels: <Organization>