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