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