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