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