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