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