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