Your goal is to find the secret four-color code. The following colors are possible: brown, blue, black, white, red, 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: ['white', 'red', 'brown', 'blue']. Hint: two colors are in the correct positions.
Guess: ['brown', 'brown', 'blue', 'blue']. Hint: none of the guessed colors are present in the secret code.
Guess: ['black', 'black', 'white', 'white']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['white', 'red', 'black', 'red']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
A B C D
yellow, white, blue, black white, blue, blue, white white, red, yellow, black brown, black, red, black