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