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