John Sinclair Freedom Rally
{'<entity_0>': 'John Sinclair Freedom Rally', '<entity_1>': '10 December 1971', '<entity_2>': 'Ann Arbor', '<entity_3>': 'concert'}
[['John Sinclair Freedom Rally', 'instance of', 'concert'], ['John Sinclair Freedom Rally', 'point in time', '10 December 1971'], ['John Sinclair Freedom Rally', 'location', 'Ann Arbor']]
<entity_0> was a protest and <entity_3> in response to the imprisonment of John Sinclair for possession of marijuana held on <entity_1>, in the Crisler Arena at the University of Michigan in <entity_2>, Michigan.
['concert', 'demonstration']