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