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