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