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