Your goal is to find the secret four-color code. The following colors are possible: black, blue, green, brown, yellow, white.
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: ['brown', 'yellow', 'white', 'black']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['black', 'black', 'white', 'blue']. Hint: one color is in the correct position and one color is in the secret code but in the wrong position.
Guess: ['black', 'black', 'black', 'green']. Hint: one color is in the correct position.
A B C D
brown, yellow, black, blue brown, white, green, blue black, brown, black, brown brown, white, white, black