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