Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Robot1 needs to continue painting row 2 according to the goal pattern. It should paint tile_2-3 black, so the next step is to change the color to black, which will allow painting the tile below (tile_2-3) on the next action.

New State Description:
- Robot1 is on tile_1-3 holding the color black.- Tile_1-3 is occupied by robot1.- Tile_1-4 is clear.- Tile_1-5 is clear.- Tile_2-4 is painted white and no longer clear.- Tile_2-5 is painted black and no longer clear.- All other tiles remain clear and unpainted.- The color white is available for switching.- The color black is available for switching.

Action Chosen:
change-color(robot1, white, black)
