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