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