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