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