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