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