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