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