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