1981 U.S. Pro Indoor
{'<entity_0>': '1981 U.S. Pro Indoor', '<entity_1>': 'Spectrum', '<entity_2>': '1981', '<entity_3>': 'carpet court', '<entity_4>': 'Philadelphia', '<entity_5>': 'tennis'}
[['1981 U.S. Pro Indoor', 'point in time', '1981'], ['1981 U.S. Pro Indoor', 'located in the administrative territorial entity', 'Philadelphia'], ['1981 U.S. Pro Indoor', 'location', 'Spectrum'], ['1981 U.S. Pro Indoor', 'surface played on', 'carpet court'], ['1981 U.S. Pro Indoor', 'sport', 'tennis']]
The <entity_0> was a men's <entity_5> tournament played on indoor <entity_3>. The tournament was played at the <entity_1> in <entity_4>, Pennsylvania in the United States and was held from January 26 through <entity_2>.
['U.S. Pro Indoor', 'tennis tournament edition']