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