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