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