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