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