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