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