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