swimming at the 2012 Summer Olympics – men's 200 metre butterfly
{'<entity_0>': "swimming at the 2012 Summer Olympics – men's 200 metre butterfly", '<entity_1>': 'London Aquatics Centre', '<entity_2>': 'London', '<entity_3>': '30 July 2012'}
[["swimming at the 2012 Summer Olympics – men's 200 metre butterfly", 'point in time', '30 July 2012'], ["swimming at the 2012 Summer Olympics – men's 200 metre butterfly", 'location', 'London Aquatics Centre'], ["swimming at the 2012 Summer Olympics – men's 200 metre butterfly", 'start time', '30 July 2012'], ["swimming at the 2012 Summer Olympics – men's 200 metre butterfly", 'end time', '30 July 2012'], ["swimming at the 2012 Summer Olympics – men's 200 metre butterfly", 'location', 'London']]
The <entity_0> event at the 2012 Summer Olympics took place on <entity_3>–31 July at the <entity_1> in <entity_2>.
['Olympic sporting event']