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