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