2016 Puerto Rico Democratic primary
{'<entity_0>': '2016 Puerto Rico Democratic primary', '<entity_1>': '2016', '<entity_2>': 'Puerto Rico', '<entity_3>': 'election'}
[['2016 Puerto Rico Democratic primary', 'instance of', 'election'], ['2016 Puerto Rico Democratic primary', 'point in time', '2016'], ['2016 Puerto Rico Democratic primary', 'location', 'Puerto Rico']]
The <entity_0> took place on June 5 in the U.S. territory of <entity_2> as one of the Democratic Party's primaries ahead of the <entity_1> presidential <entity_3>. The Republican Party's <entity_2> primary took place on <entity_1>.
['election']