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