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