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