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