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