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