On the way Simon sees that all the the walls of the facility are filled with some kind of black organic substance, and he also meets a robot that thinks it's human, and numerous other robots that are hostile against him.
All the the walls of the facility are filled with some kind of black organic substance. Simon sees this. This is on the way. He also meets a robot. He also meets numerous other robots. These numerous other robots are hostile against him. It's human. This is what this robot thinks.