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