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

Action Reasoning:
Robot1 is currently holding black paint and is on tile_2-3. The tile directly below, tile_3-3, needs to be painted white. Thus, the next step is to change to the white color.

New State Description:
- Robot Position and Paint:   - Robot1 is on tile_2-3, holding the color white.- Tiles Status:   - Row 0: tile_0-1, tile_0-2, tile_0-3 are clear.  - Row 1: tile_1-1, tile_1-2, tile_1-3 are clear.  - Row 2: tile_2-1, tile_2-2 are clear, tile_2-3 is occupied by robot1.  - Row 3: tile_3-1 is painted white, tile_3-2 is painted black, tile_3-3 is clear.- Available Colors:   - White and black are available for switching.

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