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