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