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