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

Action Reasoning:
Since the robot is on tile_1-4 holding white, and tile_2-4 (below it) needs to be painted white as per the goal, the next best action is to paint-down.

New State Description:
- Tile_0-1 is clear.- Tile_0-2 is clear.- Tile_0-3 is clear.- Tile_0-4 is clear.- Tile_0-5 is clear.- Tile_1-1 is clear.- Tile_1-2 is clear.- Tile_1-3 is clear.- Tile_1-4 is occupied by robot1 holding color white.- Tile_1-5 is clear.- Tile_2-1 is clear.- Tile_2-2 is clear.- Tile_2-3 is clear.- Tile_2-4 is painted white.- Tile_2-5 is clear.- Robot1 is on tile_1-4 holding white.- Color white is available.- Color black is available.

Action Chosen:
paint-down(robot1, tile_2-4, tile_1-4, white)
