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