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