Your goal is to find the secret four-color code. The following colors are possible: yellow, green, 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: ['black', 'brown', 'yellow', 'green']. Hint: two colors are in the correct positions.
Guess: ['yellow', 'yellow', 'green', 'green']. Hint: none of the guessed colors are present in the secret code.
Guess: ['red', 'red', 'brown', 'brown']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['black', 'brown', 'red', 'orange']. 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
black, green, yellow, orange black, green, brown, orange black, brown, orange, red yellow, green, yellow, red