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