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