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