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