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