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