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