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