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