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