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