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