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