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