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