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