2011 Serbia Open
{'<entity_0>': 'tennis tournament', '<entity_1>': '2011 Serbia Open', '<entity_2>': 'Serbia Open', '<entity_3>': 'Serbia', '<entity_4>': '01 May 2011', '<entity_5>': '2011'}
[['2011 Serbia Open', 'instance of', 'Serbia Open'], ['2011 Serbia Open', 'country', 'Serbia'], ['2011 Serbia Open', 'end time', '01 May 2011'], ['2011 Serbia Open', 'point in time', '2011'], ['2011 Serbia Open', 'description', 'tennis tournament']]
The <entity_1> (also known as <entity_2> <entity_5> powered by Telekom Srbija for sponsorship reasons) was a men's <entity_0> played on outdoor clay courts. It took place at the Tennis Center Novak complex in Belgrade, <entity_3>, from April 23 through <entity_4>.
['Serbia Open', 'tennis tournament edition']