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