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