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