Green Mountain train wreck
{'<entity_0>': 'Green Mountain train wreck', '<entity_1>': 'Green Mountain', '<entity_2>': 'Gladbrook', '<entity_3>': 'Iowa'}
[['Green Mountain train wreck', 'located in the administrative territorial entity', 'Iowa'], ['Green Mountain train wreck', 'location', 'Gladbrook'], ['Green Mountain train wreck', 'location', 'Green Mountain']]
The <entity_0> is the worst ever railroad accident in the state of <entity_3>, USA. It occurred between <entity_1> and <entity_2> on the morning of March 21, 1910, and killed 52 people. Between <entity_1> and <entity_2>, just east of the Marshall County border, the lead engine left the tracks and hit a clay embankment coming to a sudden stop.
['train wreck']