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