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