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