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