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