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