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