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