Now the current block configuration is: - Stack with yellow block, orange block, purple block, blue block, green block, from bottom to top The action "move(green,table)" is valid. We execute this action. Now the current block configuration is: - Stack with yellow block, orange block, purple block, blue block, from bottom to top - Stack with green block The action "move(blue,green)" is valid. We execute this action. Now the current block configuration is: - Stack with yellow block, orange block, purple block, from bottom to top - Stack with green block, blue block, from bottom to top The action "move(purple,red)" is invalid and cannot be executed, because there is no red blocks. The action sequence is therefore invalid, so we stop analyzing here.

No