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