Now the current block configuration is: - Stack with purple block - Stack with yellow block, red block, green block, blue block, from bottom to top The action "move(blue,purple)" is valid. We execute this action. Now the current block configuration is: - Stack with purple block, blue block, from bottom to top - Stack with yellow block, red 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 purple block, blue block, from bottom to top - Stack with yellow block, red block, from bottom to top - Stack with green block The action "move(red,table)" is valid. We execute this action. Now the current block configuration is: - Stack with purple block, blue block, from bottom to top - Stack with yellow block - Stack with green block - Stack with red block The action "move(yellow,blue)" is valid. We execute this action. Now the current block configuration is: - Stack with purple block, blue block, yellow block, from bottom to top - Stack with green block - Stack with red block The action "move(red,yellow)" is valid. We execute this action. Yes