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