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