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