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