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