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