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