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