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