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