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