Your goal is to find the secret four-color code. The following colors are possible: black, brown, white, pink, yellow, purple.
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: ['purple', 'pink', 'yellow', 'black']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['black', 'brown', 'pink', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['white', 'black', 'purple', 'pink']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['brown', 'white', 'black', 'purple']. 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
pink, white, brown, purple black, black, pink, brown purple, white, black, pink white, brown, pink, pink