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