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