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