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