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