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