Complex sentence: WALL-E mistakes the process on EVE for torture and tries to save her, accidentally releasing a horde of malfunctioning robots; the on-board security systems then designate both WALL-E and EVE as "rogue robots".
Split into simpler sentences: WALL-E mistakes the process on EVE for torture and tries to save her, accidentally releasing a horde of malfunctioning robots. The on-board security systems then designate both WALL-E and EVE as "rogue robots".