Aberfan disaster
{'<entity_0>': 'Aberfan Disaster Tribunal', '<entity_1>': 'Aberfan disaster', '<entity_2>': '21 October 1966', '<entity_3>': 'Edmund Davies, Baron Edmund-Davies'}
[['Aberfan disaster', 'start time', '21 October 1966'], ['Aberfan disaster', 'investigated by', 'Edmund Davies, Baron Edmund-Davies'], ['Aberfan disaster', 'point in time', '21 October 1966'], ['Aberfan disaster', 'investigated by', 'Aberfan Disaster Tribunal']]
The <entity_1> was the catastrophic collapse of a colliery spoil tip on <entity_2>. That day Wilson announced the appointment of Lord Justice <entity_3> as the chairman of the <entity_0>; Davies had been born and schooled in the nearby village of Mountain Ash.
['landslide', 'mining accident']