Liu Fang was the cousin of Liu Yao's second empress, also named Liu.

Entity and relation annotations:
id: 0
type: entity
value: text: Liu Fang
labels: <Person>
id: 1
type: entity
value: text: Liu Yao
labels: <Person>
id: 2
type: entity
value: text: Liu
labels: <Person>
type: relation
to_id: 1
labels: Person:family:Person
from_id: 0
type: relation
to_id: 2
labels: Person:coreference:Person
from_id: 0