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