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