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