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