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