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