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