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