2018 Las Vegas Challenger
{'<entity_0>': '2018 Las Vegas Challenger', '<entity_1>': '22 October 2018', '<entity_2>': '28 October 2018', '<entity_3>': 'tennis'}
[['2018 Las Vegas Challenger', 'start time', '22 October 2018'], ['2018 Las Vegas Challenger', 'end time', '28 October 2018'], ['2018 Las Vegas Challenger', 'sport', 'tennis']]
The <entity_0> was a professional <entity_3> tournament played on hard courts. It took place in Las Vegas, United States between <entity_1> and <entity_2>.
['tennis tournament edition']