Head of the River Fours
{'<entity_0>': 'Head of the River Fours', '<entity_1>': 'The Championship Course', '<entity_2>': 'River Thames', '<entity_3>': 'rowing', '<entity_4>': 'London'}
[['Head of the River Fours', 'sport', 'rowing'], ['Head of the River Fours', 'location', 'River Thames'], ['Head of the River Fours', 'location', 'The Championship Course'], ['Head of the River Fours', 'location', 'London']]
The <entity_0>(HOR4s) is a processional <entity_3> race held annually on the Tideway of the <entity_2> in <entity_4> on the 4 1⁄4-mile (6.8 km) <entity_1> from Mortlake to Putney.
['recurring event', 'recurring sporting event']