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