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