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