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