Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The robot is currently holding the color white and standing on tile_1-1. To progress towards the goal, it should paint tile_2-1 below it with the color black. It needs to change color to black before painting since the goal requires tile_2-1 to be painted black.

New State Description:
(tile_0-1: clear, tile_0-2: clear, tile_0-3: clear, tile_1-1: occupied by robot1 holding color black, tile_1-2: clear, tile_1-3: clear, tile_2-1: clear, tile_2-2: clear, tile_2-3: clear, robot1: on tile_1-1 holding color black, color_white: available, color_black: available)

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