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