1955 Great Plains tornado outbreak
{'<entity_0>': '1955 Great Plains tornado outbreak', '<entity_1>': 'tornado outbreak'}
[['1955 Great Plains tornado outbreak', 'instance of', 'tornado outbreak']]
The <entity_0> was a deadly <entity_1> that struck the southern and central U.S Great Plains States on May 25–26, 1955.
['tornado outbreak']