Venezuelan constitutional referendum, December 1999
{'<entity_0>': 'Venezuelan constitutional referendum, December 1999', '<entity_1>': '15 December 1999', '<entity_2>': 'Venezuela'}
[['Venezuelan constitutional referendum, December 1999', 'country', 'Venezuela'], ['Venezuelan constitutional referendum, December 1999', 'point in time', '15 December 1999'], ['Venezuelan constitutional referendum, December 1999', 'start time', '15 December 1999'], ['Venezuelan constitutional referendum, December 1999', 'end time', '15 December 1999']]
A <entity_0> was held in <entity_2> on <entity_1>.
['referendum']