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