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