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