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