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