Yong had suffered defeats against Liu Chen while Zhang was away.

Entity and relation annotations:
id: 0
type: entity
value: text: Yong
labels: <Person>
id: 1
type: entity
value: text: Liu Chen
labels: <Person>
id: 2
type: entity
value: text: Zhang
labels: <Person>
type: relation
to_id: 1
labels: Person:competes_with:Person
from_id: 0