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