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