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