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