1960 Democratic Party presidential primaries
{'<entity_0>': '1960 Democratic Party presidential primaries', '<entity_1>': 'primary election', '<entity_2>': 'John F. Kennedy', '<entity_3>': '1960'}
[['1960 Democratic Party presidential primaries', 'successful candidate', 'John F. Kennedy'], ['1960 Democratic Party presidential primaries', 'candidate', 'John F. Kennedy'], ['1960 Democratic Party presidential primaries', 'point in time', '1960'], ['1960 Democratic Party presidential primaries', 'instance of', 'primary election']]
The <entity_0> were the selection process by which voters of the Democratic Party chose its nominee for President of the United States in the <entity_3> U.S. presidential election. Senator <entity_2> of Massachusetts was selected as the nominee through a series of <entity_1> and caucuses culminating in the <entity_3> Democratic National Convention held from July 11 to <entity_3>, in Los Angeles, California.
['primary election']