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