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