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