1998 U.S. Pro Tennis Championships – singles
{'<entity_0>': '1998 U.S. Pro Tennis Championships – singles', '<entity_1>': '1998', '<entity_2>': 'tennis'}
[['1998 U.S. Pro Tennis Championships – singles', 'sport', 'tennis'], ['1998 U.S. Pro Tennis Championships – singles', 'point in time', '1998']]
The <entity_0> was a men's <entity_2> tournament played on Hard courts in Boston, United States that was part of the International Series of the <entity_1> ATP Tour.
['tennis event']