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