1974 Trans-AMA motocross series
{'<entity_0>': '1974 Trans-AMA motocross series', '<entity_1>': 'motocross'}
[['1974 Trans-AMA motocross series', 'sport', 'motocross']]
The <entity_0> was the fifth annual international series established by the American Motorcyclist Association as a pilot event to help establish <entity_1> in the United States.
['sports season']