{"conversations": [{"from": "user", "value": "Qui ha dit que l'arc de la hist\u00f2ria \u00e9s llarg, per\u00f2 fa refer\u00e8ncia a la just\u00edcia?"}, {"from": "assistant", "value": "El Dr Martin Luther King Jr."}, {"from": "user", "value": "Expandeix tamb\u00e9 a la cita i proporcioni el context al seu voltant."}, {"from": "assistant", "value": ""}]}