Operation Robin
{'<entity_0>': 'Quảng Trị', '<entity_1>': 'Operation Robin', '<entity_2>': '19 June 1968', '<entity_3>': '02 June 1968'}
[['Operation Robin', 'end time', '19 June 1968'], ['Operation Robin', 'start time', '02 June 1968'], ['Operation Robin', 'point in time', '19 June 1968'], ['Operation Robin', 'location', 'Quảng Trị']]
<entity_1> was a U.S. Marine Corps operation that took place southeast of Khe Sanh, <entity_0> from <entity_3>–<entity_2>. <entity_1> concluded on <entity_2> when the 4th Marines returned to Khe Sanh Combat Base.
['conflict']