Battle of Krücken
{'<entity_0>': 'Prussian Crusade', '<entity_1>': 'Battle of Krücken', '<entity_2>': 'battle'}
[['Battle of Krücken', 'part of', 'Prussian Crusade'], ['Battle of Krücken', 'instance of', 'battle']]
The <entity_1> was a medieval <entity_2> fought in 1249 during the <entity_0> between the Teutonic Knights and Prussians, one of the Baltic tribes.
['battle']