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