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