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