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