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