The correct answer is C. Shakey.
Nils Nilsson headed a team at SRI that created a mobile robot named Shakey. Shakey was the first mobile robot to be able to reason about its environment and make plans to achieve goals. It was also the first robot to be able to navigate around obstacles and avoid them.
Robitics is a general term for the field of study that deals with the design, construction, operation, and application of robots. Dedalus is a fictional character in Greek mythology who was the son of Icarus. Vax is a type of computer that was developed by Digital Equipment Corporation.
None of the above options are correct.