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