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