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

Action Reasoning:
The next best action is to pour the contents of shot3 (ingredient2) into the shaker1, which contains ingredient1 and is at fill level l1. This action follows the plan to create cocktail1 by adding both ingredients into the shaker, enabling us to continue towards the goal state where cocktail1 is prepared.

New State Description:
- Shot1: Contains cocktail2, not clean, not empty, on the table.- Shot2: Clean, empty, on the table.- Shot3: Empty, not clean, not in right hand, on the table.- Shaker1: Contains ingredient1 and ingredient2, not clean, not empty, unshaken, at fill level l2, on the table.- Dispenser1: Contains ingredient1 (red).- Dispenser2: Contains ingredient2 (blue).- Left hand: Empty.- Right hand: Empty.- Cocktail1: Defined by mixing ingredient1 and ingredient2.- Cocktail2: Transferred to shot1.

Action Chosen:
pour-shot-to-used-shaker(shot3, ingredient2, shaker1, right, l1, l2)
