Complex sentence: The Day We Fight Back is a coordinated protest against mass surveillance by the National Security Agency (NSA) in the U.S. It is being coordinated by advocacy groups, including groups that that fought against and defeated anti-piracy legislation, is scheduled for February 11,2014.
Split into simpler sentences: The Day We Fight Back is a coordinated protest of surveillance by the U.S. National Security Agency (NSA). It being coordinated by advocacy groups who fought is scheduled for February 11,2014.