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