O'Connor subsequently opposed the Anglo-Irish Treaty and joined the Republican side.

Entity and relation annotations:
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type: entity
value: text: O'Connor
labels: <Person>
id: 1
type: entity
value: text: the Anglo-Irish Treaty
labels: <Regulation>
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type: entity
value: text: the Republican
labels: <Organization>
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labels: Person:belongs_to_NORP:Organization
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labels: Person:opposes:Regulation
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