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