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