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