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