Complex sentence: It is later revealed that the man is actually Eve VII in the testing phase when it starts malfunctioning, mean while Eve VIII is being tested across the room and the robots designed who's name is Eve Simmons.
Split into simpler sentences: It is later revealed that the man is actually Eve VII in the testing phase when it starts malfunctioning. Meanwhile, Eve VIII is being tested across the room and the robot's designer whose name is Eve Simmons.