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