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