2013 European Athletics Indoor Championships – men's heptathlon
{'<entity_0>': '2013 European Athletics Indoor Championships', '<entity_1>': "2013 European Athletics Indoor Championships – men's heptathlon"}
[["2013 European Athletics Indoor Championships – men's heptathlon", 'part of', '2013 European Athletics Indoor Championships']]
The <entity_1> event at the <entity_0> was held on March 2–3.
['sporting event']