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