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