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