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