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