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