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