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