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