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