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