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