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