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