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