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