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