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