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