Rotterdam Open
{'<entity_0>': 'ABN AMRO World Tennis Tournament', '<entity_1>': 'tennis tournament', '<entity_2>': 'Rotterdam Ahoy', '<entity_3>': 'Rotterdam Open', '<entity_4>': '1972', '<entity_5>': 'Netherlands', '<entity_6>': 'Rotterdam', '<entity_7>': 'tennis'}
[['Rotterdam Open', 'location', 'Rotterdam Ahoy'], ['Rotterdam Open', 'inception', '1972'], ['Rotterdam Open', 'sport', 'tennis'], ['Rotterdam Open', 'country', 'Netherlands'], ['Rotterdam Open', 'subclass of', 'tennis tournament'], ['Rotterdam Open', 'alternative', 'ABN AMRO World Tennis Tournament'], ['Rotterdam Open', 'start time', '1972'], ['Rotterdam Open', 'location', 'Rotterdam'], ['Rotterdam Open', 'description', 'tennis tournament']]
The <entity_3> (also known by its sponsored name <entity_0>) is a professional men's <entity_1> played on indoor hard courts. It is part of the ATP Tour 500 series on the ATP Tour and has been held annually at the <entity_2> in <entity_6>, <entity_5>. The first <entity_3> <entity_1> was held in <entity_4> and was won by Arthur Ashe. Originally the <entity_3> was an event of the World Championship Tennis circuit and in 1978 became part of the Grand Prix <entity_7> circuit. Since its inception in <entity_4> the <entity_3> has been part of three major <entity_7> circuits: WCT circuit (<entity_4>–1977), Grand Prix circuit (1978–1989) and ATP Tour (1990–).
['recurring tournament', 'recurring tennis tournament']