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