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