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