Your goal is to find the secret four-color code. The following colors are possible: yellow, brown, blue, white, black, green.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['black', 'green', 'white', 'brown']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['yellow', 'brown', 'black', 'black']. Hint: one color is in the secret code but in the wrong position.
Guess: ['blue', 'white', 'brown', 'green']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['white', 'black', 'green', 'blue']. Hint: one color is in the correct position and three colors are in the secret code but in the wrong position.
A B C D
brown, white, yellow, blue blue, black, yellow, green green, black, blue, white white, blue, black, black