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