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