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