athletics at the 2007 Pan American Games – women's 4 x 100 metres relay
{'<entity_0>': "athletics at the 2007 Pan American Games – women's 4 x 100 metres relay", '<entity_1>': 'athletics at the 2007 Pan American Games'}
[["athletics at the 2007 Pan American Games – women's 4 x 100 metres relay", 'part of', 'athletics at the 2007 Pan American Games']]
The <entity_0> at the <entity_1> was held on July 27–28.
['sporting event']