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

Action Reasoning:
To achieve the goal state, block c should be on block a, which it already is. The current state matches the goal state.

New State Description:
Block a is on block b, block c is on block a, and block d is on the table. Blocks c and d are clear. The hand is empty. The current state matches the goal state where block c is on block a.

Action Chosen:
no_action
