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