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