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