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