2012 NFL referee lockout
{'<entity_0>': 'labor dispute between the National Football League (NFL) and the NFL Referees Association', '<entity_1>': '2012 NFL referee lockout'}
[['2012 NFL referee lockout', 'description', 'labor dispute between the National Football League (NFL) and the NFL Referees Association']]
The <entity_1> was a <entity_0> that resulted in the use of replacement officials through Week 3 of the 2012 NFL season.
['industrial action']