Question 24
The domain description of a blocks-world with a single one-armed robot is provided below. Note: this is the same domain description used in the weekly assignments.
Based on the above data, answer the given subquestions.
For the subgoal ordering given in the goal description (and using the given tie breaking rules), which of the following is the first action popped out of the stack in Goal Stack Planning?
Putdown(A)
Pickup(B)
Stack(B,C)
Stack(A,B)
Unstack(C,D)