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