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