Your goal is to find the secret four-color code. The following colors are possible: white, brown, green, pink, 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: ['pink', 'brown', 'purple', 'white']. Hint: two colors are in the correct positions.
Guess: ['white', 'white', 'purple', 'purple']. Hint: none of the guessed colors are present in the secret code.
Guess: ['green', 'green', 'brown', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['pink', 'brown', 'green', 'pink']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
A B C D
black, white, black, pink pink, green, purple, green white, purple, purple, black pink, brown, black, green