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