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