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