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