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